In the past, women wore hip flasks in their garters and boots since they didn’t have the freedom to bring their favorite drinks with them, but not anymore. So, here’s our list of the best flasks for women to help you enjoy a drink whenever you want. You may keep a small hip flask in your handbag and consume your beverage in peace. Our list includes attractive, portable, and functional flasks that you can carry around without anyone noticing. If you don’t want to show your flask, you may look into one of the mystery flasks, which can keep your drink secure and leak-proof without grabbing attention. With multiple fun and practical designs, choosing the right flask may be challenging. So, read on to make an informed decision.

20 Best Flasks For Women

1. Best Pocket-Friendly: Asobu Skinny Mini Stainless Steel Insulated Pocket-Sized Flask

The Asobu super sleek and slim flask is insulated with dual copper plating and is available in four gorgeous colors. You can store your coffee, juices, wine, or liquor in this mini, featherweight flask and take a sip of your favorite drink whenever you want. The flask keeps your beverages hot or cold for up to 12 hours. If you are a frequent traveler, this pocket-friendly flask is a good pick, as it can easily slide into your backpack. You can check out this video for more information about the product. Pros

Made of quality stainless steel Available in a variety of colors Easy-grip carry strap Dishwasher-friendly and BPA-free

Cons

May leave a metallic taste

2. Best Unisex: YWQ Stainless Steel Hip Flask

The YWQ matte black flask is made of stainless steel, and thus, is rust- and corrosion-resistant. The flask is designed to slide into your pocket easily, and you can carry this eight-ounce flask for your camping, hiking, fishing, boating, or any adventure trip. It also comes with a stainless steel lid and is air pressured to prevent any leakage or spills. With this sleek flask, your travel adventures will become even more exciting. Pros

Grip-friendly Unisex design Non-toxic and corrosion-resistant Comes with a two-year warranty

Cons

Contents may develop a metallic taste Bottom may not be flat

3. Best Wearable: Qingo Bracelet Flask Bangle Creative Funnel Set

What if you can carry your favorite beverage on your wrist? Sounds interesting, doesn’t it? This amazing bracelet flask allows you to pour in some wine or liquor and drink it any time in the middle of a concert or party. The creatively designed flask comes in a bracelet form and is studded with crystals. The flask holds four ounces of drink and comes in silver and rose gold colors. It measures 3.5 inches in diameter and comes in a set of two. Pros

Made of 304 stainless steel Can be worn as an accessory Perfect for any occasion Functional and stylish

Cons

May be smaller than expected Rhinestones may fall off

4. Best Rust-Proof: BrüMate Holographic Glitter Spirit Flask

This holographic glitter flask is ideal for daytime trips, festivals or parades, and night outs. It is a fashionable flask with a stunning design, holographic glitter coating, and a large rhinestone spill-proof cap. The cute round flask is made of stainless steel for lasting use and to prevent rust or corrosion. The flask is also lightweight and easily slides into your small clutch. Pros

Can be used as an accessory Available in more than eight colors and finishes Metal does not influence the taste of beverage Leak-proof design

Cons

Finish may wear off over time Does not come with a funnel

5. Best Gift-Ready: Hillside Kit Booze Shot Flask

If you love sipping your booze in an elegant and luxurious-looking flask, here is a stainless steel flask that’ll hold your wine and alcohol without causing any spills. Available in some of the catchiest shades, this FDA-certified flask has a crystal lid and would not break even when you accidentally drop it. This five-ounce flask represents a modern design and will easily fit into your pant pockets. Simply grab your favorite drink, pour it into the flask, and you are ready to go. Pros

Portable design Comes with a funnel Comes packaged in a gift-ready box Made of food-grade material

Cons

May not be scratch-proof Lid may loosen eventually

6. Best Stylish: Oggi Glitter and Glitz Stainless Steel Hip Flask

If you like to carry your liquor flasks to the parties, this is probably the most flawless flask you can carry along. The flask is studded with sparkling pink rhinestones and can easily accommodate up to six ounces of beverages. Pros

Suitable for those who love flashy flasks Has a funnel Tight grip lid prevents any leakages Has an appealing design

Cons

May not be dishwasher-safe Stones may fall off

7. Best Discreet: Smuggle Mug BoozeBrella Umbrella Flask

This flask by Smuggle Mug is designed for women who want to carry their booze everywhere. The lightweight flask holds up to nine ounces of drink and comes with three leak-proof lid seals to ensure that you don’t have to deal with spills. It also has a speed pourer and looks just like a folded umbrella. So, if you are looking for a disguised flask and want to carry your drinks with you discreetly, this colorful polka-dotted flask could come to your rescue. Pros

Available in different colors Made of food-grade materials BPA-free No-spill design

Cons

Cap may not be durable enough Does not have a funnel

8. Best Travel-Friendly: Binocktails Bev-Brush Paddle Brush Secret Flask

This paddle-brush inspired secret flask puts a fun twist on the traditional drinking flasks. The unique flask holds over six ounces of drinks and comes with a sturdy lid so you can take it to all your adventure trips without worrying about spills. You can also carry it every day in your bag. Pros

Comes complete with a mirror on the back Functional brush does not clog up hair Travel-friendly No metal components

Cons

May leak eventually May hear sloshing of contents

9. Best Glamorous: Blush Sparkletini Stainless Steel Glitter Flask

If you like glamorous flasks, this six-ounce flask has got bling and will hold your booze securely. Not only does this flask look awesome, but it is also sleek enough to fit into your coat or pant pockets and even in a makeup bag. This flask stores enough booze to help you get through the party. It is super classy, so you can also offer it as a gift to your best friend so she can enjoy her margaritas and mimosas anytime, anywhere. Pros

Easy-grip captive lid Stainless steel construction Available in gold and pink Can be used to make a style statement

Cons

Glitter may resemble a sticker May not have a funnel

10. Best Grip-Friendly: My Trendy Kitchen Flask

This eight-ounce leak-proof stainless steel pocket flask is covered with red leather and comes in a super sleek design so you can carry all your beverages or booze without holding a lot of weight. It can easily slip into your pocket or your purse so you can carry it along while off for a day-time adventure or a fun night out with your gang. The leather cover is grip-friendly and easy to store. Also, the screw cap seals the bottle tightly to prevent any leakages. Pros

Flat stable bottom Made using extra thick 18/8 304 stainless steel Flask is air pressure tested for quality Includes a funnel Leak-proof screw cap

Cons

May have a peculiar odor Spout may be slowly narrow

11. Gennissy Pink Hip Flask Set For Women

If you are planning to give a functional and exciting gift to your booze-loving friend on her birthday or a special occasion, this pink hip flask set will make a great gift. The flask is sleek and convenient to carry. The set comes with a stainless steel hip flask, four cups, and a funnel for easy pouring. With this set, you can easily carry the whole bar with you and enjoy your favorite drinks with your friends. Pros

Best for storing strong white spirits Comes in a gift-ready box Laser-free solder Made of food-grade stainless steel

Cons

May have a musty smell Shot glasses may be tiny

12. Swab Brewery Cheaper Than Therapy Hip Flask

This adorable flask makes a great gift. The sneaky novelty flask is made using premium-grade stainless steel to last for years. It can easily hold six ounces of your favorite drink while you enjoy your camping or hiking adventures. Pros

Made of food-grade 304 stainless steel Comes with a fun quote Has a wide mouth to pour and sip beverages Lightweight and compact

Cons

May be smaller than expected Does not come with a funnel

13.  Izus Funny Liquor Flask

Izus’ six-ounce liquor flask is made of durable, food-grade stainless steel and is rust- and corrosion-resistant. The flask is laser-welded and air-pressured for long-lasting performance, and the cap seals tightly to prevent your favorite drink from leaking. It is available in two trendy colors, Pros

Matte finish BPA-free and eco-friendly Includes a funnel Compact and light

Cons

Cap may be difficult to screw on May be challenging to clean

14. Hydro Flask Travel Coffee Flask

If you are a coffee lover and love to carry your drink with you, this small and compact flask will keep your coffee cold for 24 hours and hot for up to six hours. The flask features an easy sipper and is made of food-grade stainless steel. You can fill in your other favorite drinks such as tea, hot chocolate, or cold beverages in this travel-friendly flask. Pros

Lifetime warranty Contents do not condense when stored Signature powder coat offers slip-free grip Fits under most coffee brewing systems

Cons

May rust quickly Lid may not be leak-proof

15. YETI Rambler 18oz Bottle

This 18oz bottle is leak-proof and sturdy and keeps your coffee or other drinks cold and hot for hours. Made using stainless steel, this bottle is available in different colors, is safe to use, and also prevents rust or corrosion. The flask comes in different colors The double vacuum insulation and no-sweat design make it a perfect companion for outdoor adventures and even for regular use. Pros

TripleHaul cap protects from spills Has a three-finger grip for better usage DuraCoat color prevents peeling or cracking Durable and sturdy

Cons

May not retain cold temperature for long Bottle’s straw may not be heat-resistant

16. Coleman Stainless Steel Flask

Rust-resistant, durable, and easy to carry, this adorable mini flask is everything you need. The Coleman flask comes with a brushed finish for a glittery and scratch-resistant look. This flask is both strong and lightweight, making it a great option for travel and everyday use. Pros

Good for one-handed use Comes with a snug and leak-proof cap Has a fade-resistant metallic shine Twist-off lid reduces chances of losing the bottle

Cons

Bottle may wobble due to its convex shape May not be scratch-proof

17. Zippo Flask

This flask by Zippo has become an ultimate favorite of women who love sneaking their drinks. The flask holds up to three ounces of fluid and features a slim, sleek, and lightweight design to easily fit into your pocket. Pros

Spill-proof lid keeps liquor safe Unisex design Can fit into a purse Great for gifting

Cons

Does not have a funnel May not be smudge-proof

18. SE Stainless Steel Keychain Flask

If you are looking for a fancy and edgy-looking flask, here is a stainless steel keychain flask that is designed to impress. This flask has a screw-on cap and looks like a tiny keychain. Made using durable and corrosion-resistant stainless steel, this hip flask enhances the joy at camping, sporting, and outdoor events. It has an effortless design and lightweight construction so you can comfortably carry it along with you. Pros

Easy to engrave Can come in handy during an emergency Features a funnel with a rounded lip Seals up tight and does not leak

Cons

Cap may be slightly brittle May clank with your keys and be noisy

19. Perfect Pregame Flask

If you love to drink before matches, this is an ideal leather alcohol flask for you. The flask features a sleek and modernist design and comes with an extra compartment for storing the cigarettes. This unisex flask holds six ounces of drink and fits in six standard-sized cigarettes. This mini flask also makes a great gift for men and women. Pros

Can be personalized for gifting Monogram-friendly Finely crafted from 304 stainless steel Laser welded to prevent leaks

Cons

May be slight thick Plastic liner may be a bit flimsy

20. Twin Stainless Steel Hip Flasks

The set of two 100ml travel-friendly flasks with a sturdy and classy design is for besties. If you and your friend love sipping your favorite margaritas and wines together, this mini flask with a stylish black leather case will make a great gift. While you are off for a party with your friend, these twin flasks will safely hold your drinks in your pockets. Pros

Meets TSA requirements for air travel Easy-to-clean PU leather Can be accessed using the attached belt loop Slim contoured design

Cons

Case may have a plastic smell

How To Choose The Right Flasks For Women?

If you love carrying your drinks with you, it is important to choose your private supply of liquor smartly. You don’t want an uncomfortable and huge flask that pops from your pocket. So here are certain things you need to keep in mind while choosing the right flask for you. Apart from these, you should also check if they are easy to clean and store and spill-proof. Make sure that you choose a flask that comes with a tight and spill-proof lid, so you don’t have to deal with unnecessary leakages in the middle of an important task. If you also smoke, some flasks come with an additional storage compartment to store your cigarettes. Jamie Irwin, a foodie, coffee influencer, and writer, says “The flask you choose should be made of high-quality materials that will not leak or rust. It’s important to find a size that is comfortable to carry and easy to use. You might also want to choose a flask that is both attractive and feminine. Some flasks are designed to be more discreet and easier to hide, while others are more decorative. Choose one that best suits your needs.”

Why Trust MomJunction?

Wedetso Chirhah reviews household products extensively and recommends the best ones to his readers. Here, he has rounded up a list of the best flasks for women. Wedetso has considered factors such as material, ease of cleaning, portability, and design and has also gone through several trusted reviews and ratings to compile this list and bring you the most stylish and functional flasks.

Best Stainless Steel Water Bottles Best Portable Bottle Warmers Best Smart Water Bottles


title: “20 Best Flasks For Women Of 2022” ShowToc: true date: “2022-12-18” author: “Ronnie Blount”


In the past, women wore hip flasks in their garters and boots since they didn’t have the freedom to bring their favorite drinks with them, but not anymore. So, here’s our list of the best flasks for women to help you enjoy a drink whenever you want. You may keep a small hip flask in your handbag and consume your beverage in peace. Our list includes attractive, portable, and functional flasks that you can carry around without anyone noticing. If you don’t want to show your flask, you may look into one of the mystery flasks, which can keep your drink secure and leak-proof without grabbing attention. With multiple fun and practical designs, choosing the right flask may be challenging. So, read on to make an informed decision.

20 Best Flasks For Women

1. Best Pocket-Friendly: Asobu Skinny Mini Stainless Steel Insulated Pocket-Sized Flask

The Asobu super sleek and slim flask is insulated with dual copper plating and is available in four gorgeous colors. You can store your coffee, juices, wine, or liquor in this mini, featherweight flask and take a sip of your favorite drink whenever you want. The flask keeps your beverages hot or cold for up to 12 hours. If you are a frequent traveler, this pocket-friendly flask is a good pick, as it can easily slide into your backpack. You can check out this video for more information about the product. Pros

Made of quality stainless steel Available in a variety of colors Easy-grip carry strap Dishwasher-friendly and BPA-free

Cons

May leave a metallic taste

2. Best Unisex: YWQ Stainless Steel Hip Flask

The YWQ matte black flask is made of stainless steel, and thus, is rust- and corrosion-resistant. The flask is designed to slide into your pocket easily, and you can carry this eight-ounce flask for your camping, hiking, fishing, boating, or any adventure trip. It also comes with a stainless steel lid and is air pressured to prevent any leakage or spills. With this sleek flask, your travel adventures will become even more exciting. Pros

Grip-friendly Unisex design Non-toxic and corrosion-resistant Comes with a two-year warranty

Cons

Contents may develop a metallic taste Bottom may not be flat

3. Best Wearable: Qingo Bracelet Flask Bangle Creative Funnel Set

What if you can carry your favorite beverage on your wrist? Sounds interesting, doesn’t it? This amazing bracelet flask allows you to pour in some wine or liquor and drink it any time in the middle of a concert or party. The creatively designed flask comes in a bracelet form and is studded with crystals. The flask holds four ounces of drink and comes in silver and rose gold colors. It measures 3.5 inches in diameter and comes in a set of two. Pros

Made of 304 stainless steel Can be worn as an accessory Perfect for any occasion Functional and stylish

Cons

May be smaller than expected Rhinestones may fall off

4. Best Rust-Proof: BrüMate Holographic Glitter Spirit Flask

This holographic glitter flask is ideal for daytime trips, festivals or parades, and night outs. It is a fashionable flask with a stunning design, holographic glitter coating, and a large rhinestone spill-proof cap. The cute round flask is made of stainless steel for lasting use and to prevent rust or corrosion. The flask is also lightweight and easily slides into your small clutch. Pros

Can be used as an accessory Available in more than eight colors and finishes Metal does not influence the taste of beverage Leak-proof design

Cons

Finish may wear off over time Does not come with a funnel

5. Best Gift-Ready: Hillside Kit Booze Shot Flask

If you love sipping your booze in an elegant and luxurious-looking flask, here is a stainless steel flask that’ll hold your wine and alcohol without causing any spills. Available in some of the catchiest shades, this FDA-certified flask has a crystal lid and would not break even when you accidentally drop it. This five-ounce flask represents a modern design and will easily fit into your pant pockets. Simply grab your favorite drink, pour it into the flask, and you are ready to go. Pros

Portable design Comes with a funnel Comes packaged in a gift-ready box Made of food-grade material

Cons

May not be scratch-proof Lid may loosen eventually

6. Best Stylish: Oggi Glitter and Glitz Stainless Steel Hip Flask

If you like to carry your liquor flasks to the parties, this is probably the most flawless flask you can carry along. The flask is studded with sparkling pink rhinestones and can easily accommodate up to six ounces of beverages. Pros

Suitable for those who love flashy flasks Has a funnel Tight grip lid prevents any leakages Has an appealing design

Cons

May not be dishwasher-safe Stones may fall off

7. Best Discreet: Smuggle Mug BoozeBrella Umbrella Flask

This flask by Smuggle Mug is designed for women who want to carry their booze everywhere. The lightweight flask holds up to nine ounces of drink and comes with three leak-proof lid seals to ensure that you don’t have to deal with spills. It also has a speed pourer and looks just like a folded umbrella. So, if you are looking for a disguised flask and want to carry your drinks with you discreetly, this colorful polka-dotted flask could come to your rescue. Pros

Available in different colors Made of food-grade materials BPA-free No-spill design

Cons

Cap may not be durable enough Does not have a funnel

8. Best Travel-Friendly: Binocktails Bev-Brush Paddle Brush Secret Flask

This paddle-brush inspired secret flask puts a fun twist on the traditional drinking flasks. The unique flask holds over six ounces of drinks and comes with a sturdy lid so you can take it to all your adventure trips without worrying about spills. You can also carry it every day in your bag. Pros

Comes complete with a mirror on the back Functional brush does not clog up hair Travel-friendly No metal components

Cons

May leak eventually May hear sloshing of contents

9. Best Glamorous: Blush Sparkletini Stainless Steel Glitter Flask

If you like glamorous flasks, this six-ounce flask has got bling and will hold your booze securely. Not only does this flask look awesome, but it is also sleek enough to fit into your coat or pant pockets and even in a makeup bag. This flask stores enough booze to help you get through the party. It is super classy, so you can also offer it as a gift to your best friend so she can enjoy her margaritas and mimosas anytime, anywhere. Pros

Easy-grip captive lid Stainless steel construction Available in gold and pink Can be used to make a style statement

Cons

Glitter may resemble a sticker May not have a funnel

10. Best Grip-Friendly: My Trendy Kitchen Flask

This eight-ounce leak-proof stainless steel pocket flask is covered with red leather and comes in a super sleek design so you can carry all your beverages or booze without holding a lot of weight. It can easily slip into your pocket or your purse so you can carry it along while off for a day-time adventure or a fun night out with your gang. The leather cover is grip-friendly and easy to store. Also, the screw cap seals the bottle tightly to prevent any leakages. Pros

Flat stable bottom Made using extra thick 18/8 304 stainless steel Flask is air pressure tested for quality Includes a funnel Leak-proof screw cap

Cons

May have a peculiar odor Spout may be slowly narrow

11. Gennissy Pink Hip Flask Set For Women

If you are planning to give a functional and exciting gift to your booze-loving friend on her birthday or a special occasion, this pink hip flask set will make a great gift. The flask is sleek and convenient to carry. The set comes with a stainless steel hip flask, four cups, and a funnel for easy pouring. With this set, you can easily carry the whole bar with you and enjoy your favorite drinks with your friends. Pros

Best for storing strong white spirits Comes in a gift-ready box Laser-free solder Made of food-grade stainless steel

Cons

May have a musty smell Shot glasses may be tiny

12. Swab Brewery Cheaper Than Therapy Hip Flask

This adorable flask makes a great gift. The sneaky novelty flask is made using premium-grade stainless steel to last for years. It can easily hold six ounces of your favorite drink while you enjoy your camping or hiking adventures. Pros

Made of food-grade 304 stainless steel Comes with a fun quote Has a wide mouth to pour and sip beverages Lightweight and compact

Cons

May be smaller than expected Does not come with a funnel

13.  Izus Funny Liquor Flask

Izus’ six-ounce liquor flask is made of durable, food-grade stainless steel and is rust- and corrosion-resistant. The flask is laser-welded and air-pressured for long-lasting performance, and the cap seals tightly to prevent your favorite drink from leaking. It is available in two trendy colors, Pros

Matte finish BPA-free and eco-friendly Includes a funnel Compact and light

Cons

Cap may be difficult to screw on May be challenging to clean

14. Hydro Flask Travel Coffee Flask

If you are a coffee lover and love to carry your drink with you, this small and compact flask will keep your coffee cold for 24 hours and hot for up to six hours. The flask features an easy sipper and is made of food-grade stainless steel. You can fill in your other favorite drinks such as tea, hot chocolate, or cold beverages in this travel-friendly flask. Pros

Lifetime warranty Contents do not condense when stored Signature powder coat offers slip-free grip Fits under most coffee brewing systems

Cons

May rust quickly Lid may not be leak-proof

15. YETI Rambler 18oz Bottle

This 18oz bottle is leak-proof and sturdy and keeps your coffee or other drinks cold and hot for hours. Made using stainless steel, this bottle is available in different colors, is safe to use, and also prevents rust or corrosion. The flask comes in different colors The double vacuum insulation and no-sweat design make it a perfect companion for outdoor adventures and even for regular use. Pros

TripleHaul cap protects from spills Has a three-finger grip for better usage DuraCoat color prevents peeling or cracking Durable and sturdy

Cons

May not retain cold temperature for long Bottle’s straw may not be heat-resistant

16. Coleman Stainless Steel Flask

Rust-resistant, durable, and easy to carry, this adorable mini flask is everything you need. The Coleman flask comes with a brushed finish for a glittery and scratch-resistant look. This flask is both strong and lightweight, making it a great option for travel and everyday use. Pros

Good for one-handed use Comes with a snug and leak-proof cap Has a fade-resistant metallic shine Twist-off lid reduces chances of losing the bottle

Cons

Bottle may wobble due to its convex shape May not be scratch-proof

17. Zippo Flask

This flask by Zippo has become an ultimate favorite of women who love sneaking their drinks. The flask holds up to three ounces of fluid and features a slim, sleek, and lightweight design to easily fit into your pocket. Pros

Spill-proof lid keeps liquor safe Unisex design Can fit into a purse Great for gifting

Cons

Does not have a funnel May not be smudge-proof

18. SE Stainless Steel Keychain Flask

If you are looking for a fancy and edgy-looking flask, here is a stainless steel keychain flask that is designed to impress. This flask has a screw-on cap and looks like a tiny keychain. Made using durable and corrosion-resistant stainless steel, this hip flask enhances the joy at camping, sporting, and outdoor events. It has an effortless design and lightweight construction so you can comfortably carry it along with you. Pros

Easy to engrave Can come in handy during an emergency Features a funnel with a rounded lip Seals up tight and does not leak

Cons

Cap may be slightly brittle May clank with your keys and be noisy

19. Perfect Pregame Flask

If you love to drink before matches, this is an ideal leather alcohol flask for you. The flask features a sleek and modernist design and comes with an extra compartment for storing the cigarettes. This unisex flask holds six ounces of drink and fits in six standard-sized cigarettes. This mini flask also makes a great gift for men and women. Pros

Can be personalized for gifting Monogram-friendly Finely crafted from 304 stainless steel Laser welded to prevent leaks

Cons

May be slight thick Plastic liner may be a bit flimsy

20. Twin Stainless Steel Hip Flasks

The set of two 100ml travel-friendly flasks with a sturdy and classy design is for besties. If you and your friend love sipping your favorite margaritas and wines together, this mini flask with a stylish black leather case will make a great gift. While you are off for a party with your friend, these twin flasks will safely hold your drinks in your pockets. Pros

Meets TSA requirements for air travel Easy-to-clean PU leather Can be accessed using the attached belt loop Slim contoured design

Cons

Case may have a plastic smell

How To Choose The Right Flasks For Women?

If you love carrying your drinks with you, it is important to choose your private supply of liquor smartly. You don’t want an uncomfortable and huge flask that pops from your pocket. So here are certain things you need to keep in mind while choosing the right flask for you. Apart from these, you should also check if they are easy to clean and store and spill-proof. Make sure that you choose a flask that comes with a tight and spill-proof lid, so you don’t have to deal with unnecessary leakages in the middle of an important task. If you also smoke, some flasks come with an additional storage compartment to store your cigarettes. Jamie Irwin, a foodie, coffee influencer, and writer, says “The flask you choose should be made of high-quality materials that will not leak or rust. It’s important to find a size that is comfortable to carry and easy to use. You might also want to choose a flask that is both attractive and feminine. Some flasks are designed to be more discreet and easier to hide, while others are more decorative. Choose one that best suits your needs.”

Why Trust MomJunction?

Wedetso Chirhah reviews household products extensively and recommends the best ones to his readers. Here, he has rounded up a list of the best flasks for women. Wedetso has considered factors such as material, ease of cleaning, portability, and design and has also gone through several trusted reviews and ratings to compile this list and bring you the most stylish and functional flasks.

Best Stainless Steel Water Bottles Best Portable Bottle Warmers Best Smart Water Bottles