Bottles

18 oz Wide Mouth

$29.95
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Bottles

18 oz Wide Mouth

$29.95

Lifetime

  • Wide Mouth Flex Cap
$29.95

Quantity

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Overview

Wide open refreshment.

Be ready to take on whatever comes next. Our wide mouth top makes it simple to throw some ice into your beverage and hit the road with this easy to carry bottle size. Perfect for morning hikes, afternoon ski lessons, or evenings by the campfire, our 18 oz Wide Mouth bottle keeps your ice water ice cold for up to 24 hours or piping hot up to 12. You can also pair it with our handy Straw Lid and Hydro Flip™ Lid.

Product Benefits

  • Wide Mouth opening for faster fill and flow
  • TempShield™ insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
  • Durable 18/8 Pro-Grade Stainless Steel construction
  • BPA-Free and Phthalate Free
  • Industry-standard wide mouth opening fits many third-party water filters
  • Compatible with our Wide Mouth Straw Lid and Hydro Flip™ Lid
  • Lifetime Warranty

Size & Dimensions

18 oz
Volume 532 mL
Mouth Diameter 2.28"
Diameter 2.91"
Height 8.1"
Weight 11.6 oz
  • TempShield

    Tempshield

    Colder. Hotter. Longer.

    Our unique double wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.

  • Pro-Grade Stainless Steel

    Pro-Grade Stainless Steel

    Pure and refreshing. Every time.

    Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer—and the durable construction stands up to whatever life brings.

  • Proprietary Powder Coat

    Proprietary Powder Coat

    Comfortable and durable.

    Our proprietary powder coat means an easy-grip, sweat-free, and extra-durable bottle that you can take anywhere.

  • Lifetime Warranty

    Lifetime Warranty

    We stand behind our products.

    Hydro Flask guarantees this Hydro Flask product with a limited lifetime warranty against manufacturer defects.

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Overview & Specs

Overview

Wide open refreshment.

Be ready to take on whatever comes next. Our wide mouth top makes it simple to throw some ice into your beverage and hit the road with this easy to carry bottle size. Perfect for morning hikes, afternoon ski lessons, or evenings by the campfire, our 18 oz Wide Mouth bottle keeps your ice water ice cold for up to 24 hours or piping hot up to 12. You can also pair it with our handy Straw Lid and Hydro Flip™ Lid.

Product Benefits

  • Wide Mouth opening for faster fill and flow
  • TempShield™ insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
  • Durable 18/8 Pro-Grade Stainless Steel construction
  • BPA-Free and Phthalate Free
  • Industry-standard wide mouth opening fits many third-party water filters
  • Compatible with our Wide Mouth Straw Lid and Hydro Flip™ Lid
  • Lifetime Warranty

Size & Dimensions

18 oz
Volume 532 mL
Mouth Diameter 2.28"
Diameter 2.91"
Height 8.1"
Weight 11.6 oz

Technology

  • TempShield

    Tempshield

    Colder. Hotter. Longer.

    Our unique double wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.

  • Pro-Grade Stainless Steel

    Pro-Grade Stainless Steel

    Pure and refreshing. Every time.

    Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer—and the durable construction stands up to whatever life brings.

  • Proprietary Powder Coat

    Proprietary Powder Coat

    Comfortable and durable.

    Our proprietary powder coat means an easy-grip, sweat-free, and extra-durable bottle that you can take anywhere.

  • Lifetime Warranty

    Lifetime Warranty

    We stand behind our products.

    Hydro Flask guarantees this Hydro Flask product with a limited lifetime warranty against manufacturer defects.

Video

Reviews/Q&A

  • Reviews

  • Q & A

  • 18 oz Wide Mouth is rated 4.6 out of 5 by 269.
    Rated 5 out of 5 by from Perfect Ok this is a great water bottle for me it isn’t to big or to small it is perfect I got it a few weeks ago and it’s been working perfectly it has been very durable for the time I have had this
    Date published: 2019-11-04
    Rated 5 out of 5 by from Looks great, and it is the perfect size! I brought this a month ago and it is the best thing I did because my water stays cold for the whole day and my tea stay hot for so long so I can enjoy it. Its made of an amazing quality, and what it does isn’t the best thing but how it looks is. I really recommend this product, I promise you won’t regret it.
    Date published: 2019-11-03
    Rated 5 out of 5 by from Great features I bought this a month ago and I’m happy that I did
    Date published: 2019-10-27
    Rated 5 out of 5 by from Awesome for the ONE day we had it. Everyone knows Hydro Flask bottles are excellent. In the California heat, anything that can keep water cold all day is a must have! My daughter was so excited to receive her new lilac bottle that she immediately took it out of the box, rinsed it out, and filled it up to take to school. She ran out so fast she didn't even put her name label on it as we normally would. She took it in to music class, and left it where many kids set their bottles, but forgot to pick it up after class. Sure enough, next day it was gone. We have search high and low but to no avail. Someone must have picked it up and taken it home :( I'm sure whoever ended up with it, is loving it! My daughter said it was awesome for those few hours she got to use it! Haha!
    Date published: 2019-10-24
    Rated 5 out of 5 by from Great features Got it about a month ago for my birthday so happy I did
    Date published: 2019-10-06
    Rated 5 out of 5 by from Awesome This water bottle holds my stickers and keeps my water cold all day.
    Date published: 2019-10-05
    Rated 5 out of 5 by from Short and stout that’s all it’s about Another great product for doing your tiny little part to help save the planet. Cuts down on plastic water bottle usage. It is a well made product that keeps fluids at temperature. Period.
    Date published: 2019-10-04
    Rated 5 out of 5 by from amazing features i bought this a week ago and the shipping was free! I love it and i use it everyday! it keeps your drink hot or cold throughout the day!!! it hardly dents, and it is very easy to clean and wash!
    Date published: 2019-10-04
    Rated 5 out of 5 by from Love it I bought this for my daughter for school and she loves it so much...
    Date published: 2019-10-03
    Rated 5 out of 5 by from Wonderful Bottle I have owned a Hydro Flash before and just loved it, but wanted to change colors. The feature that I think is best about Hydro Flash is it doesn't leak and the ice I put in stays ice for up to 19 hours.
    Date published: 2019-09-30
    Rated 5 out of 5 by from So Amazing!! I bought this water bottle a week ago and I love it so much!! It is cute and it has helped me stay hydrated throughout the day! It is worth every penny! I especially recommend the 18 oz bottle in light blue!!
    Date published: 2019-09-25
    Rated 5 out of 5 by from Keeps drinks cold for a long time My daughter uses it everyday for school and loves it. Keeps her water cold all day long. The only negative thing is that it’s kind of heavy.
    Date published: 2019-09-25
    Rated 5 out of 5 by from Best water bottle My son takes it to school every day and loves it. There is still ice at the end of the day!
    Date published: 2019-09-25
    Rated 5 out of 5 by from Perfect for dance I bought this for my daughter to keep her water cold though out dance practice. She is typically there for 3 hours and it works great! Still ice in the bottle!
    Date published: 2019-09-24
    Rated 5 out of 5 by from Great waterbottle I baught this a few months ago, and i am nothing but impressed with it. It keepd drinks cold all day!!!
    Date published: 2019-09-23
    Rated 5 out of 5 by from Best Overall Best purchase I have made this entire year. Great quality
    Date published: 2019-09-20
    Rated 5 out of 5 by from So convenient! I bought this a week ago and it’s so convenient and compact in my small backpack! It also keeps my drink cold for so long!
    Date published: 2019-09-20
    Rated 5 out of 5 by from great features! I bought this 2 weeks ago and I am so glad I did !
    Date published: 2019-09-20
    Rated 5 out of 5 by from I love it I take it everywhere! Bought it 2 months ago and I love it I take it everywhere!
    Date published: 2019-09-20
    Rated 5 out of 5 by from Great for school! My absolute favorite during school days, especially living in the south!
    Date published: 2019-09-20
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  • Is the rubber of the cap replaceable.. I have black spots on the rubber.. not sure why..

    Asked by: Zzzzt
    We'd be happy to replace your cap for you under our Lifetime Warranty. You can fill out a warranty claim here: (http://www.hydroflask.com/warranty/)
    Answered by: Consumer Service
    Date published: 2019-10-30

    can you buy the wide mouth straw lid and put it on the 18 oz?

    Asked by: AliAle
    Yes, the wide mouth straw lid will fit the 18oz wide mouth flask.
    Answered by: Consumer Service
    Date published: 2019-10-29

    i used it to contain my hot tea once and the taste lingers.. please tell me how to resolve this? now my plain water taste of my minty tea.. please help!!!!

    Asked by: Zzzzt
    A good cleaning method to use is take about a teaspoon of baking soda and some water to make a thick paste. Use a bristled bottle brush to scrub the entire flask thoroughly. Then fill the flask up with boiling water. Leave the cap off the flask. Allow the flask to soak in the baking soda/water mixture until the water inside the flask is cool to the touch. Finally wash and rinse the flask with dish soap and allow it to fully dry.
    Answered by: Consumer Service
    Date published: 2019-10-29

    are the prices USD?

    Asked by: alyssa101
    Yes
    Answered by: Consumer Service
    Date published: 2019-10-29

    Are the bottles dish washer safe?

    Asked by: ChrisB
    No
    Answered by: Consumer Service
    Date published: 2019-10-28

    Is this size good for school?

    Asked by: Noor
    This is based on your own personal preference and how much water you drink.
    Answered by: Consumer Service
    Date published: 2019-10-27

    The Wide Mouth Straw Lid fits in this 18 oz Wide Mouth Vacuum?

    Asked by: MarielMH
    Yes, the wide mouth straw lid will fit the 18oz wide mouth flask.
    Answered by: Consumer Service
    Date published: 2019-10-27

    Can these be put in the dish washer?

    Asked by: Swiftie26
    We do not suggest putting your flask through the dish washer. For cleaning, we recommend hand washing with a bottle brush and mild dish soap.
    Answered by: Consumer Service
    Date published: 2019-10-27
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