10 Best 64 Oz Insulated Water Bottle Big Mouth of 2025

Tested and Reviewed: Top 10 64 Oz Insulated Water Bottle Big Mouth deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Hydro Flask

Hydro Flask 64 Oz Wide Flex Straw Cap Bottle - Insulated Stainless Steel - Wide Straw Lid, Non Spill, Leakproof in Black

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Editor's bottom line:

“This 64 oz insulated water bottle big mouth is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

64 OZ BLACK BOTTLE: Flip it and sip it with the Hydro Flask Wide Mouth insulated water bottle with closeable straw cap. With a comfortable, flexible handle, the leakproof straw cap is easy to open and close with one hand, for on-demand hydration. Double-wall insulation keeps drinks cold up to 24 hours for cool refreshment.
NONSTOP COLOR: Color-matching lid for a monochrome, stylish look for all your drinking needs. The large, refillable, portable water bottle with straw is one of the most perfect hydration accessories with matching lids and logos. Colored, matching straw lid for a monochrome, stylish look. Match these portable stainless steel water bottles to your mood with new colors and matching logos.
24 HOURS COLD: The insulated bottle keeps drinks cold for 24 hours thanks to double-wall vacuum insulation. Hydro Flask water bottles feature TempShield insulation, designed to be lightweight and efficient temperature retention, keeping contents chilled all day. Flex Straw Cap not intended for use with hot drinks.
LEAKPROOF: Say goodbye to leaky reusable water bottles. The Flex Straw Cap is leakproof when closed. Simply close it shut and toss it into your bag or use it as a travel water bottle without worry. Sip effortlessly with one hand, thanks to the easy-to-use straw design. Click it shut, and rest easy knowing your drink stays securely sealed all day.
PURE TASTE: Durable pro-grade stainless steel water bottle ensures pure taste and no leftover flavor transfer. So, today's water won't have any taste of yesterday's iced tea. BPA - Free

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Picked by 314 people today

9.5

POWCAN

64 oz Insulated Water Bottle for Gym: 2-in-1 Straw Spout Lid, Dual Handle, Leakproof, Keep Cold 36H, Half Gallon Stainless Steel Water Jug for Travel, Hiking, Cycling, Park, Workout, Picnic (Midnight)

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Main Highlights

Stay Cold, Stay Cozy: POWCAN's 64 oz stainless steel water jug keeps drinks ice-cold for 36 hrs or warm for 12, all without any sweating; Whether cycling or at the gym, it ensures hydration that lasts as long as you do
No Spills, Just Thrills: Our 64 oz insulated water bottle is built to stay leak-proof when tipped or flipped - no leaks, no worries! Lay it flat for spill-free hydration on road trips, RV, camping, or any adventure
Sip, Pour, Chug: Our versatile 2-in-1 lid features a straw for easy sipping, and a spout for quick gulping or pouring on the move; Perfect for a hot coffee boost or refreshing iced drink during any outdoor activity
Dual Carrying Options: Choose your way to carry! Grab it quick with the flip-up top handle, or use the foldable side handle for a secure grip on longer trips. Hydration stays close, whether you're commuting or hiking
Big Opening, Big Fun: With a large 64 oz capacity and a wide mouth, filling it with ice and cleaning is a breeze. Whether at work, home, or workout, it's your go-to bottle for all-day hydration

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9.5

Save 13%

IRON °FLASK

IRON °FLASK Camping & Hiking Hydration Flask with 3 Lids - Stainless Steel, Double Walled & Vacuum Insulated Water Bottle - Leak Proof & BPA Free (Midnight Black, Straw - 64 oz)

13% OffFree Shipping

Main Highlights

INSULATED SPORTS WATER BOTTLE: Goodbye sweat! The double wall insulation makes the Iron Flask sweat-free! It keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours. *NOTE: ONLY the 14 Oz, 18 Oz, & 22 Oz fit in cupholders*
3 LIDS: YES, Iron Flask comes with THREE different LEAK PROOF lids. Carabiner Straw Lid with 2 Straws, Flip Lid, and a Stainless Steel Lid! *NOTE: The stainless steel lid is plastic from inside and stainless steel from outside*
18/8 PREMIUM STAINLESS STEEL: The Iron Flask is made of 18/8 Stainless steel that is BPA free and non-toxic. It will never leave a metal taste or rust. HAND WASH ONLY WITH SOAPY HOT WATER!
THE PERFECT GIFT: Stay hydrated during outdoor adventures with our top-rated water bottles, we have everything Mom & Dad need to stay refreshed and energized. Give the gift of thirst-quenching this Mothers and Fathers Day!
THE ULTIMATE LIFESTYLE GIFT: Choose a color that speaks to your friends and family to create the perfect, personalized gift! Great for the outdoor or gym enthusiast that will enjoy a memorable product they'll remember, & due to its durability will stand the test of time.

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9.2

BLUEGO

BLUEGO 64oz Insulated Water Bottle with Straw and Handle Leakproof Half Gallon Wide Mouth Motivational Water Bottle, 2-IN-1 Straw Spout Lid Stainless Steel Water Jug for Sport Travel Gym-Amber

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Main Highlights

ONE HAND OPERATION & WIDE MOUTH The stainless steel water bottle has one-handed snap lock and easy carry top handle. The hygienic cover cap prevents leakage and ensures dustproof. One click to open the lid cover, more convenient for hands-free sipping when you're busy or on the go for drinking. Wide mouth for easy cleaning and filling ice, fits water cooler dispenser nicely. [NOTE: The markings on the bottle are just decorative motivation! Please note.]
2 IN 1 LEAKPROOF LID2-in-1 Straw and spout lid enables two ways to drink: spillproof sipping with build-in flip straw or direct drink through chug mouth.The water bottle with intergrated straw has safety lock-Push up to lock, Push down to unlock. Nozzle on Pop-up straw is designed as removable for cleaning.
PREMIUM QUALITY Crafted from 100% BPA-free, food-grade stainless steel, our half-gallon insulated water bottle features double-wall vacuum insulation. It keep-cold for 24 hrs and keep-warm for 8 hrs. Inside with extra straw and sponge brush for cleaning. Outside with silicone sleeve for non-slip.
ALL-DAY HYDRATION The 64oz/half-gallon water bottle with motivational quotes by hour keep you hydrated throughout the day and your daily water intake on track at home, gym, or while you travel on the road. A very good helper to remind you of hydration goals everyday!
USER FRIENDLY DESIGNBluego 64 oz water jug comes with reinforced top handle for easy carrying. It is perfect for sports enthusiasts to fit any outdoor activities including fitness sport,cycling, hiking, running, yoga, workout, mounting, fishing, camping or any other sport.

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9.0

WATERSY

WATERSY Half Gallon Water Bottle Insulated(Cold for 48 Hrs),BPA Free&Leak Proof,64oz Stainless Steel Water Jug/Flask,Big thermo,Large Water Bottle with Handle for Gym,Hiking,Camping,Black

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Main Highlights

LARGE CAPACITY, CONTINUOUS HYDRATION : Stay hydrated throughout the day with our high-quality half gallon reusable water bottle. This insulated bottle, with a large capacity of 64oz, is perfect for outdoor adventures like camping and hiking. Ideal for all your travel needs, this bottle guarantees convenience and ample hydration.
EXTRAORDINARY QUALITY: This large water gallon jug is made from 18/8 stainless steel and features a copper-lined interior. It is free of bisphenol A, reusable, and residue-free. Throughout the day, liquids can maintain their optimal freshness and taste.
INSULATION AND COOL KEEPING TECHNOLOGY UPGRADED: This insulated kettle is made with double-wall and vacuum-sealed insulation technology, and our lid is designed with a built-in honeycomb thermal insulation layer, which retains 20% cooler and 10% hotter than ordinary single-layer lids on the market, and keeps beverages cooler for up to 48 hours and hotter for up to 24 hours.
LEAK-PROOF AND NON-SLIP: The spout cap is equipped with a leak-proof silicone ring and utilizes advanced sealing technology, ensuring 100% leak-proof performance. The sweat-proof coating keeps the surface dry and clean for easy grip. The bottom of the water bottle is equipped with a rubber pad to prevent wear and tear.
AFTER-SALES WORRY-FREEIf you have any questions after you receive the water bottle, please feel free to contact us.We will spare no effort to solve the problem for you.

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8.8

Save 30%

Coolflask

Half Gallon Water Bottle Insulated with Straw & 3 Lids, Coolflask 64 oz Water Jug Large Metal Stainless Steel Wide Mouth for Sports, Gym or Office, Non-BPA Keep Cold 48H Hot 24H, Samurai Cyan

30% OffFree Shipping

Main Highlights

Going Green: 64 oz Insulated Water Bottle is built with 18/8 (304) stainless steel that's BPA-free, 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.
48H Cold & 24H Hot: Triple Insulation Technology adopts double wall and vacuum seal, keeps beverages cold for up to 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. Hand wash only and no abrasives. Do not put it in a freezer or microwave. Not for soft drinks. Be carefully of being scalded when handling hot liquids.

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8.6

Cafezi

Cafezi 64oz Insulated Water Bottle, Stainless Steel Water Bottles with Flip Straw and Top Handle, Leak Proof, Iced for 34 Hours, 64 oz Tumbler

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Main Highlights

Advanced Insulation and Durability: Keeps beverages hot for over 9 hours, cold for more than 12 hours, and ice cubes cool for up to 34 hours; double-wall stainless steel construction ensures durability and sweat-free performance
Dynamic Handle for On-the-Go: Features a foldable handle with ergonomic design for easy transport; adapts to needs whether on foot or in a vehicle
Flip Straw Sipper Lid: Equipped with a foldable sipper nozzle for spill-proof and leak-proof sipping; allows for one-handed use
Wide Mouth Convenience: Wide-mouth design facilitates easy filling, pouring, and cleaning; accommodates ice cubes and chunky soups
Versatile Capacity: 64 oz size is perfect for staying hydrated during long hikes, road trips, workouts, or outdoor events; ideal for sports enthusiasts, campers, and busy professionals needing a substantial drink supply throughout the day

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8.3

Save 5%

BUZIO

64oz Insulated Water Bottle with Straw Spout Lid, BUZIO Half Gallon Stainless Steel Thermo Flask with Carrying Pouch, Double Wall Vacuum Wide Mouth Leak Proof Tumbler Mug Metal Canteen, Black

5% OffFree Shipping

Main Highlights

Fresh as 2 Days Ago: Featuring BUZIO ThermoArmour technology, BUZIO 64oz vacuum insulated water bottles preserve your drinks cold for up to 48 hrs and warm for up to 24 hrs. Plus the excellently sealed lid, you can just grab and go. Savor your last sip as fresh as the first.
Big Size with 2.91" Wide Mouth: BUZIO 64 oz / 128 oz water bottles possess unique internal threads, making its shape smoother and mouth wider, easier to fill ice and clean. With this oversized water bottle, you can effortlessly stay hydrated whether commuting, working out or venturing outdoors.
Versatile 2 Lids and Portable Sleeve: The big water bottle comes with 2 lids, that is, 1 straw lid for sipping on the go and 1 spout lid for gulping when extremely thirsty. Just choose the fit lid as your preference. Moreover, the carrying sleeve (included in the package) provides extra protection for your bottle while greatly relieving the travel burden.
Premium Materials Ensure Durability: Engineered with an 18/8 food-grade stainless steel body and two 100% BPA-free lids, the stainless steel water bottle is free of any flavor or metal rust. The classic powder coat sustains the fresh hue of the bottle while staying snug in the palms for a non-slip grab.
Includes a BUZIO half gallon / gallon insulated water bottle, a straw lid, a spout lid, 2 straws, a cleaning brush, and a carrying sleeve

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8.1

Save 51%

Ello

Ello Hydra 64oz Half Gallon Vacuum Insulated Stainless Steel Jug with Locking, Leak-Proof Lid and Soft Silicone Straw, Metal Reusable Water Bottle, Keeps Cold All Day, Grey

51% OffFree Shipping

Main Highlights

Keeps Cold Up to 40 Hours: Vacuum Insulated stainless steel keeps drinks cold 40+ hours. Tough and durable double wall stainless steel with powdercoat finish that won't chip or sweat!
Much Better Lid: One touch flip lid keeps drink surface covered and clean. Internal straw with optimal flow makes it easier to drink because you don't have to tip the jug. The locking lid ensures no spills while on the go. The functional design also features a wide mouth to easily fill, accommodate ice and clean.
Easy to Clean Design: Lids are easy to disassemble and top rack dishwasher safe, which makes cleaning a breeze. Hand wash body recommended.
Travel Ready: Carry from a built-in easy grip handle at the top for maximum comfort on the go. Any way you carry it, the portable Hydra will help you crush your goals.

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Best Value

8.1

Save 63%

Trebo

Trebo 64oz Water Bottle Insulated with Handle & Straw Lids, Half Gallon Vacuum Double Wall Water Jug,Keep 24hrs Cold Hot, Stainless Steel Metal Large Thermos, Wide Mouth Flask for Men with Carry Pouch

63% OffFree Shipping

Main Highlights

48 Hrs Cold & 24 Hrs Hot: Trebo insulated water flask features double-walled vacuum insulation with a copper lining, keeping cold beverages for 48 hours and hot for 24 hours. Whether you're hiking, yoga,camping, or hitting the gym, enjoy perfectly tempered drinks every time.
Comfortable Grip Handle: Trebo 64 oz insulated water bottle features a robust handle with an ergonomic design for enhanced durability and comfort. The thickened handle and curved bottle body ensure a comfortable grip, perfect for ladies with small hands.
Two Lids & Leakproof : Our stainless steel water bottle comes with two chic, dual-color lids (a straw lid and a spout lid). Featuring precise silicone seals, both lids are 100% leak-proof and spill-proof, ensuring a mess-free experience wherever you go.
Superior Craftsmanship: The Trebo travel mug is crafted from food-grade 18/8 stainless steel and features BPA-free components, ensuring your beverages are safe and non-toxic. Its sweat-free coating and wide mouth design enhance usability, making it convenient for everyday use.
A Full Pack: Trebo water bottle comes fully equipped with 2 lids, 2 straws, 1 straw brush, and a stylish matching carrying pouch with a shoulder strap and pocket. With friendly customer care, you can enjoy your drinks with complete peace of mind.

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Our Best Overall Choice

Best Choice

9.7

Hydro Flask

Hydro Flask 64 Oz Wide Flex Straw Cap Bottle - Insulated Stainless Steel - Wide Straw Lid, Non Spill, Leakproof in Black

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

64 OZ BLACK BOTTLE: Flip it and sip it with the Hydro Flask Wide Mouth insulated water bottle with closeable straw cap. With a comfortable, flexible handle, the leakproof straw cap is easy to open and close with one hand, for on-demand hydration. Double-wall insulation keeps drinks cold up to 24 hours for cool refreshment.
NONSTOP COLOR: Color-matching lid for a monochrome, stylish look for all your drinking needs. The large, refillable, portable water bottle with straw is one of the most perfect hydration accessories with matching lids and logos. Colored, matching straw lid for a monochrome, stylish look. Match these portable stainless steel water bottles to your mood with new colors and matching logos.
24 HOURS COLD: The insulated bottle keeps drinks cold for 24 hours thanks to double-wall vacuum insulation. Hydro Flask water bottles feature TempShield insulation, designed to be lightweight and efficient temperature retention, keeping contents chilled all day. Flex Straw Cap not intended for use with hot drinks.
LEAKPROOF: Say goodbye to leaky reusable water bottles. The Flex Straw Cap is leakproof when closed. Simply close it shut and toss it into your bag or use it as a travel water bottle without worry. Sip effortlessly with one hand, thanks to the easy-to-use straw design. Click it shut, and rest easy knowing your drink stays securely sealed all day.
PURE TASTE: Durable pro-grade stainless steel water bottle ensures pure taste and no leftover flavor transfer. So, today's water won't have any taste of yesterday's iced tea. BPA - Free

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