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 4.5 out of 5 by 273.
    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
    Rated 5 out of 5 by from My favorite water bottle! I've used this everyday since I bought it. Best water bottle I've had. Would definitely recommend.
    Date published: 2019-09-20
    Rated 5 out of 5 by from The greatest for my soul finding! I love hydro flask i dont regret buying it. I love the caps and the color variety.
    Date published: 2019-09-20
    Rated 5 out of 5 by from great quality i bought this a year ago and its still in great quality
    Date published: 2019-09-19
    Rated 5 out of 5 by from Pretty nice I am so happy I bought this for school I actually drink my water and I never go anywhere without it. Plus I love the color and I’m so happy with it.
    Date published: 2019-09-19
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  • Can these be put in the dish washer?

    Asked by: Swiftie26
    No, I would not recommend it. If you put it in the dishwasher it won't be able to keep water cold/hot.
    Answered by: Noor
    Date published: 2019-08-16

    Is it leakproof? Could I throw it in a bag and not worry about leakage?

    Asked by: Maria 1475
    The Flex Cap is leak-proof. That is our only leak-proof cap.
    Answered by: Consumer Service
    Date published: 2019-06-13

    do these get banged up pretty easily? like if i get a white hydro flask will it stay white or get scuffed and ruined easily?

    Asked by: hannah1eigh
    The flasks are durable, but they are not indestructible. If you wash it regularly, it will stay white.
    Answered by: Consumer Service
    Date published: 2019-06-07

    Can you buy just the water bottle without the lid?

    Asked by: Grace1827317
    We only have two flasks available right now that come without lids. They are the True Pints and the Cooler Cups.
    Answered by: Consumer Service
    Date published: 2019-06-06

    Is the 18 oz big enough to put stickers on?

    Asked by: Dancerava
    Stickers will fit on the Wide Mouth 18-Ounce flask, depending on the size of the stickers.
    Answered by: Consumer Service
    Date published: 2019-05-31

     Can you still put a lot of stickers on the 18 ounce widemouth? 

    Asked by: Dancerava
    Yes, you are able to put quite a few stickers the Wide Mouth 18-ounce flask.
    Answered by: Consumer Service
    Date published: 2019-05-31

    What are the height dimensions for the 18 oz wide and standard mouth bottles?

    Asked by: Csice
    Product dimensions can be found on our FAQ page. You can see them here: http://www.hydroflask.com/frequently-asked-questions/
    Answered by: Hydro Flask Customer Team
    Date published: 2019-01-03

    Someone asked about the difference of coffee flask vs regular hydroflask and customer service answered nothing but the cap. But the description says the coffee flask keeps hot beverages hot for 6 hrs and hydroflask keeps it hot for 12 hrs, so which is it?

    Asked by: Moonpie
    The flasks are the same. The difference is in the cap. The hydration flask has a better insulating cap in the flex cap, which is what gives the time difference.
    Answered by: Hydro Flask Customer Team
    Date published: 2019-06-13
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