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Hydro Flask Stainless Steel Standard Mouth Water Bottle with Flex Cap and Double-Wall Vacuum Insulation

4.8 4.8 out of 5 stars 23,386 ratings
$28.65
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18 Oz
Black
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Purchase options and add-ons

Brand Hydro Flask
Capacity 18 Fluid Ounces
Color Black
Recommended Uses For Product Water
Special Feature Bpa-free,Dishwasher Safe

About this item

  • TempShield️ double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12
  • Honeycomb️ Insulated Cap for maximum temperature retention
  • Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer

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Hydro Flask Stainless Steel Standard Mouth Water Bottle with Flex Cap and Double-Wall Vacuum Insulation
$28.65
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Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle
$14.95
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Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector - Dishwasher Safe, BPA-Free, Non-Toxic
$7.95
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Standard Mouth Flex Cap Water Bottle Hydro Flask
Standard Mouth Flex Cap Water Bottle Hydro Flask
Standard Mouth Flex Cap Water Bottle Hydro Flask
tumbler, tumbler with straw

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Hydro Flask Stainless Steel Standard Mouth Water Bottle with Flex Cap and Double-Wall Vacuum Insulation

Hydro Flask Stainless Steel Standard Mouth Water Bottle with Flex Cap and Double-Wall Vacuum Insulation

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
23,386 global ratings

Customers say

Customers like the portability, size, color, leakage, and coldness of the water bottle. For example, they mention it's durable, has a handle on the cap, and fits in their car cup holder. Some appreciate the standard mouth size for sipping or pouring without any spills. That said, some complain about the flex cap providing a reliable seal.

AI-generated from the text of customer reviews

756 customers mention553 positive203 negative

Customers like the quality of thermos. They mention it's durable construction, and thoughtful design. They also appreciate its reliability, and say it'll keep liquid cold for around 6 hours with no ice. However, some customers report that it dents easily.

"...has become my go-to hydration companion, combining functionality, durability, and temperature retention for a superior drinking experience...." Read more

"...Its unparalleled insulation, durable construction, and thoughtful design make it a standout choice for those who prioritize both form and function..." Read more

"...One of its standout features is its reliability – it doesn’t leak, even when tossed into a bag or backpack...." Read more

"...Overall durable, though if dropped just right, the lid and handle can break..." Read more

651 customers mention569 positive82 negative

Customers like the coldness of the thermos. For example, they say it maintains their water super cold, holds temperature exceptionally well, and keeps the water fresh and cool for hours. It's also good at insulating and works for keeping tea hot for longer time.

"...The Hydro Flask kept my water refreshingly cold despite the hot weather, and the Flex Cap made it easy to carry while keeping the sand out." Read more

"...Its unparalleled insulation, durable construction, and thoughtful design make it a standout choice for those who prioritize both form and function..." Read more

"...It comes in a beautiful color, and its double-wall vacuum insulation keeps my beverages at the perfect temperature for hours...." Read more

"...Its durability, insulation capabilities, and user-friendly design make it a top-notch choice for anyone in need of a reliable water bottle...." Read more

259 customers mention232 positive27 negative

Customers like the size of thermos. For example, they say it fits in their car cup holder, keeps water cold and is the perfect size. Some say the standard mouth size is just right for sipping or pouring without any spills. They also say it's slim enough to hold comfortably, very attractive without being showy, and the right height and width. Overall, most are happy with the size and functionality of thermo.

"...The standard mouth size is perfect for sipping, and it accommodates most ice cubes for those who prefer their beverages extra cold...." Read more

"...Refilling is a breeze, thanks to the wide mouth that accommodates ice cubes and facilitates easy cleaning...." Read more

"...The standard mouth size is just right for sipping or pouring without any spills...." Read more

"Got the stome grey color on sale for like $22. It is perfect. Fits into my car cupholder and my backpack side pocket, both sticking points for me...." Read more

236 customers mention229 positive7 negative

Customers are satisfied with the color of thermos. They mention it has a beautiful color, is stylish, and looks exactly like the photo. Some appreciate the color options, sizes, and that they don't leak. Some say that it's dishwasher safe and the quality of looks and feels nice. Overall, most are happy with the insulation capabilities and user-friendly design.

"...The Hydro Flask's sleek design and vibrant color options add a touch of style to my daily hydration routine...." Read more

"...Its unparalleled insulation, durable construction, and thoughtful design make it a standout choice for those who prioritize both form and function..." Read more

"...The flex cap ensures easy access while preventing spills. Plus, its sleek design adds a touch of style to my everyday routine...." Read more

"...Its durability, insulation capabilities, and user-friendly design make it a top-notch choice for anyone in need of a reliable water bottle...." Read more

149 customers mention125 positive24 negative

Customers like the leakage of thermos. They mention it does not leak at all, the secure seal of the cap prevents leaks, and the straw does not drip. The Flex Cap adds convenience, providing a reliable seal to prevent leaks and spills.

"...The secure seal of the cap prevents leaks, giving me confidence to toss it into a bag without worrying about spills...." Read more

"...easy sipping and pouring, and the Flex Cap adds convenience, providing a reliable seal to prevent leaks and spills...." Read more

"...The flex cap ensures easy access while preventing spills. Plus, its sleek design adds a touch of style to my everyday routine...." Read more

"This is fantastic for keeping beverages cold. It is leak-free and SO EASY to wash! My kids and I absolutely love it!..." Read more

123 customers mention116 positive7 negative

Customers are satisfied with the performance of thermos. For example, they mention it serves its purpose well, keeps ice water cold, and keeps coffee hot all day. Some appreciate the durability and style of thermo. That said, some complain about the cap not staying on tight.

"Got the stome grey color on sale for like $22. It is perfect. Fits into my car cupholder and my backpack side pocket, both sticking points for me...." Read more

"...In summary, the Hydro Flask has exceeded my expectations in terms of performance, durability, and style...." Read more

"...(almost 8 months) and there is wear/tear from dropping but its perfectly functional." Read more

"It was a gift for my wife who always drinks hot water. Does the job well and she’s happy!" Read more

118 customers mention104 positive14 negative

Customers like the portability of thermos. They mention it's easy to carry around all day, durable, and handy for travel. Some appreciate the handle up top, strap, and flex cap. They also say it'll keep liquids cold all day and is great for air travel.

"...The flexible strap makes it easy to carry or attach to a backpack, providing a hands-free option during hikes or workouts...." Read more

"...The wide mouth makes it easy to access every nook and cranny, and it's dishwasher safe for added convenience...." Read more

"...Ice water lasts for over two days! This is a must for plane travel as well as hiking." Read more

"...it every time I took a drink or poured from it.*Cup Holder friendly in my old Jeep*Nice color*Sturdy construction..." Read more

142 customers mention84 positive58 negative

Customers are mixed about the value of thermos. Some mention it works well and is a good value, while others say it's overpriced, not worth it, and a useless chuck of metal.

"...Amazon had it and at a good price. This is very durable and we have not had any issues with leaking...." Read more

"Love the color so my vibe. My only issue with hydro flasks is how expensive they are and how bad the quality is...." Read more

"...Easy product to clean and maintain. Healthier and cheaper than plastic water bottles. The product has now paid for itself after 30+ days." Read more

"This bottle is amazing and $18 is a wonderful price, nothing to complain but a little scratch in the painting, which is small but it makes the..." Read more

I am both pleased and impressed!
5 Stars
I am both pleased and impressed!
It about wore me out looking at insulated bottles with so many out there to choose from!I am a heavy coffee drinker and wanted to be able to carry a nice, fresh refill for my travel mug while out and about.I will begin by saying that the first photo in my review, does NOT accurately represent the actual color that I purchased, Agave.The fluorescent lights in my shop are not color friendly. The actual color is a soft greyish green, like sage leaves and is very pleasant.Edit to ad: We had a spot of sunshine on the back porch today, so I took it out in the sunshine for a better pic. Much better color representation in the last picture.Initially, I was looking in the $20 range and found a lot of products that were "close" to what I wanted, but no cigar. After looking at the Hydro Flask page and seeing that accessories and replacement parts are available, I decided it would be worth a try. At the steeper price, over twice the price in many cases, it was worth it to get exactly what I wanted.My search criteria was as follows: * A Wide Mouth: For ease of filling, cleaning, easy pouring and nice big gulps. No straw or spout to clean or fiddle with. .*A Plastic Stopper: Because stainless on stainless threads are prone to galling.* No Big, Fragile or Obtrusive Handle: Didn't want something that would break off or get in the way or a lanyard to collect crud.This handle is small, folds back unobtrusively and is flexible so shouldn't break if twisted or bumped.*Easy to fill with hot liquids or cold beverages with ice.*A Centered Spout: So I didn't have to look and align it every time I took a drink or poured from it.*Cup Holder friendly in my old Jeep*Nice color*Sturdy constructionThis has absolutely ticked all of the boxes.It's slim enough to hold comfortably, very attractive without being showy and well constructed.I think we're going to be coffee drinking buddies for a very long time.
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Top reviews from the United States

Max Prosperity
5.0 out of 5 stars perfect fit
Reviewed in the United States on January 10, 2024
Style: 18 OzColor: StoneVerified Purchase
The Hydro Flask Stainless Steel Standard Mouth Water Bottle with Flex Cap and Double-Wall technology has become my go-to hydration companion, combining functionality, durability, and temperature retention for a superior drinking experience.

The double-wall insulation is a standout feature, keeping beverages cold for up to 24 hours or hot for up to 12 hours. This capability has proven invaluable, especially during outdoor activities or long workdays, ensuring that my drinks stay at the desired temperature for extended periods.

The Flex Cap adds to the convenience with its easy-to-use design. The flexible strap makes it easy to carry or attach to a backpack, providing a hands-free option during hikes or workouts. The secure seal of the cap prevents leaks, giving me confidence to toss it into a bag without worrying about spills.

The standard mouth size is perfect for sipping, and it accommodates most ice cubes for those who prefer their beverages extra cold. The stainless steel construction is durable and resistant to flavor transfer, ensuring that my drinks taste fresh with every sip.

The Hydro Flask's sleek design and vibrant color options add a touch of style to my daily hydration routine. The powder-coated finish not only looks great but also provides a comfortable and slip-resistant grip.

One standout experience was during a day at the beach. The Hydro Flask kept my water refreshingly cold despite the hot weather, and the Flex Cap made it easy to carry while keeping the sand out.
7 people found this helpful
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LadyRN
5.0 out of 5 stars Hydro Flask Standard Mouth Water Bottle: Unrivaled Insulation and Durability
Reviewed in the United States on December 11, 2023
Style: 18 OzColor: StoneVerified Purchase
The Hydro Flask Stainless Steel Standard Mouth Water Bottle has earned its reputation as a top-tier hydration companion, setting a high standard for both performance and design. This water bottle has become an indispensable part of my daily routine, accompanying me everywhere from the gym to outdoor adventures.

The double-wall vacuum insulation is a game-changer, maintaining the temperature of my beverages like no other. Whether I'm sipping on a refreshing cold drink during a hot summer day or enjoying a warm beverage in the chill of winter, the Hydro Flask keeps it at the desired temperature for an extended period.

The durable stainless steel construction is both robust and resilient, withstanding the inevitable bumps and drops of daily life. The scratch-resistant exterior maintains its sleek appearance even after prolonged use, showcasing the Hydro Flask's commitment to quality.

The Standard Mouth design strikes a perfect balance between a wide and narrow opening. It's ideal for easy sipping and pouring, and the Flex Cap adds convenience, providing a reliable seal to prevent leaks and spills. The cap's flexible strap makes carrying the bottle a breeze, whether in hand or attached to a backpack.

The variety of vibrant colors and sizes allows for personalization, adding a touch of style to functional excellence. The powder-coated finish not only enhances the bottle's aesthetic appeal but also provides a secure grip.

Refilling is a breeze, thanks to the wide mouth that accommodates ice cubes and facilitates easy cleaning. The compatibility with Hydro Flask accessories, such as the straw lid, further enhances the bottle's versatility.

In conclusion, the Hydro Flask Stainless Steel Standard Mouth Water Bottle sets the bar high for hydration solutions. Its unparalleled insulation, durable construction, and thoughtful design make it a standout choice for those who prioritize both form and function in their water bottle. Highly recommended for anyone seeking a reliable and stylish companion for staying hydrated on the go.
11 people found this helpful
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Catherine
5.0 out of 5 stars Stylish and Functional, lifetime warranty: Hydro Flask Stainless Steel Standard Mouth Water Bottle
Reviewed in the United States on April 2, 2024
Style: 21 OzColor: LupineVerified Purchase
This bottle comes with a manufacturer’s lifetime warranty. I’m thrilled. I absolutely love the Hydro Flask Stainless Steel Standard Mouth Water Bottle! It comes in a beautiful color, and its double-wall vacuum insulation keeps my beverages at the perfect temperature for hours. Whether I’m enjoying a hot coffee on a chilly morning or sipping ice-cold water on a hot day, this bottle delivers every time.

One of its standout features is its reliability – it doesn’t leak, even when tossed into a bag or backpack. The flex cap ensures easy access while preventing spills. Plus, its sleek design adds a touch of style to my everyday routine.

The only minor downside is that if I add carbonated drinks, there’s a risk of a fizzy fountain when opening the bottle. However, I believe this is a common issue with many similar products, and it doesn’t diminish the overall quality and functionality of the Hydro Flask bottle. Overall, I highly recommend it to anyone looking for a durable, stylish, and reliable water bottle.
Customer image
Catherine
5.0 out of 5 stars Stylish and Functional, lifetime warranty: Hydro Flask Stainless Steel Standard Mouth Water Bottle
Reviewed in the United States on April 2, 2024
This bottle comes with a manufacturer’s lifetime warranty. I’m thrilled. I absolutely love the Hydro Flask Stainless Steel Standard Mouth Water Bottle! It comes in a beautiful color, and its double-wall vacuum insulation keeps my beverages at the perfect temperature for hours. Whether I’m enjoying a hot coffee on a chilly morning or sipping ice-cold water on a hot day, this bottle delivers every time.

One of its standout features is its reliability – it doesn’t leak, even when tossed into a bag or backpack. The flex cap ensures easy access while preventing spills. Plus, its sleek design adds a touch of style to my everyday routine.

The only minor downside is that if I add carbonated drinks, there’s a risk of a fizzy fountain when opening the bottle. However, I believe this is a common issue with many similar products, and it doesn’t diminish the overall quality and functionality of the Hydro Flask bottle. Overall, I highly recommend it to anyone looking for a durable, stylish, and reliable water bottle.
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Top reviews from other countries

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Dany
5.0 out of 5 stars Excelente
Reviewed in Mexico on May 9, 2024
Style: 18 OzColor: IndigoVerified Purchase
De los mejores termos que eh comprado, llego bien
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Julie Chae
5.0 out of 5 stars Quality guaranteed
Reviewed in Canada on April 30, 2024
Verified Purchase
This brabd never lets me down
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Peter Howe
5.0 out of 5 stars Wow great product
Reviewed in Canada on April 26, 2024
Style: 24 OzColor: LupineVerified Purchase
Tried it last night, I always take a cold drink to bed. Works great, what was left was still cold, fantastic.
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Dave
5.0 out of 5 stars Perfect size for travel
Reviewed in Canada on April 17, 2024
Style: 21 OzColor: AgaveVerified Purchase
Perfect size for the water bottle holder in my travel backpack. Very comfortable to drink out of due to the design of the edges around the lid. Perfect opening size for most ice cubes. Keeps drinks cold reasonably long. Haven't tried with hot drinks. Would prefer a stainless steel lid, but see that one is available separately.
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Danilo
5.0 out of 5 stars Great product!
Reviewed in Canada on April 19, 2024
Style: 21 OzColor: IndigoVerified Purchase
It's not so cheap, but it's worth it.
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