Coolflask Half Gallon Water Bottle Insulated with Straw & 3 Leakproof Lids

Price: $31.99
(as of Oct 09, 2026 11:32:24 UTC – Details)

Product description

Simply open it with one hand to get instant refreshment while on the go.

Twist to unleash coolness and enjoy the convenience of the attached lid, preventing messes and loss.

Drink contentedly through the wide mouth and conveniently carry your bottle wherever life takes you.

1 Flip-Up Straw Lid

2 Easy-Twist Spout Lid

3 Portable Handle Lid

4 Use Reminder

Be Real Cool with COOLFLASK

Coolflask Titan Series

The Titan Bottle features an ultra-wide mouth and a large capacity, making your summer even cooler.

Coolflask MegaSip

The wider straw and ergonomic grip make drinking much more enjoyable.

Water bottles with Strap

Lightweight design and beautiful colors make your travel more convenient and fun.

64 oz Water Bottles with Handle

The side indentation leaves space for hand, purposefully combining practicality and comfort to significantly enrich the gripping experience.

64 oz Water Bottle with Leather Pouch

This 64 oz water bottle looks 12% Smaller than average bottles, but holds more and weighs less.

WHY COOLFLASK

Coolflask Complete Series of Water Bottles

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Customer Reviews

4.6 out of 5 stars 16,632

4.4 out of 5 stars 91

4.4 out of 5 stars 71

4.4 out of 5 stars 1,156

4.3 out of 5 stars 806

4.4 out of 5 stars 673

4.5 out of 5 stars 1,209

Price

$31.99$31.99

$21.99$21.99

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$31.99$31.99

$34.99$34.99

$26.99$26.99

$33.99$33.99

Triple-Layer Insulation

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Capacity

24/32/40/64/87/128oz

24/32/40oz

128/192/256oz

32/40/64oz

64oz

32/40oz

40/64/128oz

Cold Preservation Duration

Keep Cold 48+h

Keep Cold 24+h

Keep Cold 60+h

Keep Cold 48+h

Keep Cold 48+h

Keep Cold 24+h

Keep Cold 48+h

Leakproof

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BPA-Free

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18/8 Stainless Steel

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Straw Lid

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Spout Lid

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Bottle Sleeve

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Strap

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Straw and Straw Brush

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Going Green: 64 oz 18/8 Stainless Steel Bottle is built with 18/8 food-grade stainless steel (304) that’s BPA-free, unscented, reusable, and safe for all. It’s rust-proof, and free from oder retain. Liquid can be fresh in its best taste for a whole day
Over 48H Cold & 24H Hot: Triple Insulation Technology adopts triple wall and vacuum seal, keeps beverages cold for over 48 hours and hot 24 hours. Anti-sweat coating can keep the surface dry and clean, making it easy to grip
Flexible Drinking On-the-Go: This half gallon water jug comes with 3 different lids. The screw-on lid with flip-up handle is for easy ice refilling with superior portability; spout lid makes it convenient to drink hot liquid and straw lid for sipping cold.
Travel Longer: With 64 oz large capacity, the large water bottle allows you to enjoy your trip easier with fewer refills, perfect for hiking, camping and sport events. It’s easy to stay hydrated and refreshed on exciting adventures with such a versatile bottle.
Easy to Maintain: This stainless steel water flask is rustproof, sweat-proof, and BPA-free. Dishwasher safety. Do not put it in a freezer or microwave. Not for soft drinks. Be carefully of being scalded when handling hot liquids
Customers find the water bottle to be a favorite that keeps water cold all day and maintains ice for days. They appreciate its size, with one customer noting it’s perfect for kids’ soccer practice, and its multiple lid options. The durability receives mixed feedback – while some say it lasts over 1000 days, others report the handle snapping with regular use. The leak-proof feature also gets mixed reviews, with some saying it doesn’t leak while others report issues with the straw attachment leaking when turned upside down.