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 4.3 out of 5 by 126.
    Rated 5 out of 5 by from game changer I was encouraged by my doctor to give up soda pop. I traded a 44 oz coke for water in my hydro flask. My water stays fresh and cold all day. The straw cap makes it easy to carry ing my bag. I love that the ice stays frozen for 24+ hours. I went from water hater to 110 oz a day. Hydro Flask is a game changer.
    Date published: 2019-08-13
    Rated 5 out of 5 by from Great features I’ve been replacing the bottled water I use to drink, and feel happy about using no plastic bottles anymore. Water stays nice and cold. I love it.
    Date published: 2019-08-13
    Rated 5 out of 5 by from Amazing performance I’m so glad i purchased my hydro flask!! The quality is amazing and the performance of the water bottle is great! The water is always cold when u drink out of it and the color is beautiful!
    Date published: 2019-08-05
    Rated 5 out of 5 by from Good quality water bottle! I did not think it was any special at first. However, after using it for a week, I am starting to appreciate its quality. It definitely feels slightly more robust, better designed, and higher quality than many other bottles I have used. It feels like that the manufacturer did not cut corners to reduce cost. I guess the price tag does justify its quality.
    Date published: 2019-08-04
    Rated 5 out of 5 by from Perfect size and beautiful color My daughter loves this hydroflask, perfect size and beautiful color
    Date published: 2019-08-03
    Rated 5 out of 5 by from Love the color! I love my new Hydro Flask, this is my first purchase and I am very happy with it. Keeps my water cold all day....especially when exercising or outdoors.....I purchased also one for my daughter and she love it too.We both got the lid with the straw made it easy to drink.
    Date published: 2019-08-03
    Rated 5 out of 5 by from Great bottle but I like the bottle great keeps the water cold for a long time if there ice inside But I wish they more protection bottom of the bottle like some silicon because it's easy to damage
    Date published: 2019-08-02
    Rated 5 out of 5 by from Love the hydroflask I love the hydroflask. And may purchase more in the future. But not from the hydroflask website. It took 2 weeks before my order even shipped. Next time I'll just go to a store if I want one.
    Date published: 2019-08-02
    Rated 5 out of 5 by from Wonderful design and size I have a lot of hydro flask, I mean a lot! I give them as gifts and use them everyday. I would be lost without them. They keep cold drinks cold,and hot drinks hot.
    Date published: 2019-08-02
    Rated 5 out of 5 by from Great Overall I bought this a month ago and I’m so glad I did because it always keeps cold drinks cold and hot drinks hot. I definitely recommend
    Date published: 2019-08-02
    Rated 5 out of 5 by from Love but should’ve got a bigger one I love my hydro flask especially with the straw lid. Color is so beautiful only thing is I wished I went 1 size larger. 18oz is a good size, width and length but just a little too small. I wanted a smaller size but it’s just a bit too small. Other than that I love it!
    Date published: 2019-08-02
    Rated 5 out of 5 by from Amazing bottle Love the color so much!!! Yellow is my favorite color and I love that my beverage stays cold while i’m at work in the heat!
    Date published: 2019-08-02
    Rated 5 out of 5 by from LOVE ALL HYDRO FLASKS Loyal hydro flask customer...I love all the colors they're constantly coming out with and how it keeps my ice water cold for DAYS! I kid you not, DAYS! Even after I've finished all my water, there is still ice left and I'll just keep adding water. I LOVE IT. Just recently purchased their new lilac colored one to add to my collection. I probably have over 10 hydros now....
    Date published: 2019-08-02
    Rated 5 out of 5 by from Updates not always work Hydroflask is a classic. That being said, I miss the original feature of the cap fully attached to the body of the bottle. I feel it is kind of easy to misplace with this updated design. Other than that, nothing surpasses Hydroflask in quality.
    Date published: 2019-07-31
    Rated 5 out of 5 by from Keeps my beverages cold I ordered both the wide mouth water bottle and the tumbler with drinking straw. I love the functionality and easy cleaning of each water bottle. Keeps my drinks cold.
    Date published: 2019-07-31
    Rated 5 out of 5 by from Love it I have used it everyday since I got it and couldn’t be happier with it!
    Date published: 2019-07-31
    Rated 5 out of 5 by from Great Quality Love it! Good size. I recommend purchasing a boot to protect your bottle.
    Date published: 2019-07-30
    Rated 5 out of 5 by from AMAZING I got this water bottle about a month ago and i haven’t put it down. it’s so cute and is the perfect size. my water will have ice in it all day
    Date published: 2019-07-30
    Rated 5 out of 5 by from Love Hydro Flash This is my 4th hydro flask I own and love every once. Great color , perfect size !
    Date published: 2019-07-30
    Rated 5 out of 5 by from Favorite Water Bottle Ever! I bought this about a month ago and I’m so glad I did! I love how it’s BPA free, stays cold or hot for hours, etc. I will fill it up with ice water before work in the early morning, and by the evening my water is still ice cold and there is still some ice left. One time I left it in a hot car overnight and came to get it the next morning and it was still cold enough to drink. It’s cute and well-made and I absolutely love it!
    Date published: 2019-07-28
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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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