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Hydro Flask 20 Oz Wide Flex Cap Black

  • Based on 27,437 reviews
Condition: New
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$25.00 Why this price?
4th of July Sale · 24% off was $32.95

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Availability: 15 left in stock
Fulfilled by Amazon

Arrives Saturday, Jul 12
Order within 4 hours and 50 minutes
Available payment plans shown during checkout

Style: 20 Oz


Color: Black


Features

  • 20 OZ WATER BOTTLE: The stainless steel insulated reusable water bottle keeps drinks cold for 24 hours, and hot up to 12. This Hydro Flask bottle is dishwasher safe and easy to clean.
  • 24 HOURS COLD. 12 HOURS HOT: Double-wall vacuum insulation keeps drinks hot or cold for hours. The insulated bottle keeps beverages cold for 24 hours and hot up to 12. The TempShield insulation keeps the water bottle cool to the touch.
  • LEAKPROOF: Say goodbye to leaky water bottles. The Hydro Flask Flex Cap is leakproof when closed. Toss it into your bag without worry.
  • FITS CUPHOLDERS: The cupholder-friendly design means your bottle fits seamlessly in most cupholders. Designed for seamless cupholder cohabitation, it's right at home on the open road, on the sidelines, in a pack or wherever you need to set your sips.
  • PURE TASTE: Durable pro-grade stainless steel ensures pure taste and no leftover flavor transfer. So, today's water won't have any taste of yesterday's iced tea.
  • DISHWASHER SAFE: Easy to use and easy to clean, just toss the lid and bottles into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite Hydro Flask is always at-the-ready.

Description

Stainless steel, insulated, refillable, reusable—our wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice—and get yourself a bigger gulp.

Brand: Hydro Flask


Capacity: 20 Fluid Ounces


Color: Black


Recommended Uses For Product: Water


Special Feature: Cold 24 Hours, Leakproof, Dishwasher Safe, Double Wall, Carrying Loop, Hot 12 Hours


Brand: Hydro Flask


Capacity: 20 Fluid Ounces


Color: Black


Recommended Uses For Product: Water


Special Feature: Cold 24 Hours, Leakproof, Dishwasher Safe, Double Wall, Carrying Loop, Hot 12 Hours


Age Range (Description): Adult


Product Dimensions: 2.9"W x 10.6"H


Model Name: Wide Mouth Flex Cap Bottle


Item Weight: 200 Grams


Theme: Solid


Material: STEEL


Number of Items: 1


Pattern: Bottle


Included Components: bottle, lid


Product Care Instructions: Hand Wash Only


Base Diameter: 2.91 Inches


Cap Type: Flex Cap


With Lid: Yes


Is Dishwasher Safe: Yes


UPC: 810007831343


Manufacturer: Hydro Flask


Global Trade Identification Number: 43


Item Weight: 7.1 ounces


Department: Unisex-Adult


Item model number: W20BTS001


Assembly required: No


Number of pieces: 1


Warranty Description: LIFETIME


Batteries required: No


Import: Imported


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Jul 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great Insulation, Perfect Size
Style: 32 Oz Color: Black
The Hydro Flask 32oz water bottle has quickly become my go-to for staying hydrated throughout the day. It hits the sweet spot in size — large enough to keep me hydrated for hours without being too bulky to carry around. Whether I’m at the gym, at work, or on a hike, it’s the perfect companion. The insulation is seriously impressive. My water stays ice-cold for literally the entire day — sometimes even into the next. I’ve also tested it with hot beverages during the winter, and it performs just as well. The double-wall vacuum insulation does exactly what it promises. Design-wise, it’s sleek and simple but still feels durable and high-quality. I opted for a matte finish and it not only looks great but also gives a nice grip. The wide mouth makes it easy to fill, clean, and add ice cubes, and the lid seals tight with zero leaks. I also love that it fits in most cup holders and backpack side pockets, despite the larger size. If you’re looking for a reliable, well-designed water bottle that keeps your drinks cold (or hot) for hours, the Hydro Flask 32oz is absolutely worth the investment. It keeps me drinking more water, and honestly, I kind of look forward to carrying it around. ... show more
Reviewed in the United States on May 21, 2025 by gonzogl

  • Beautiful and functional
Style: 32 Oz Color: Surf
So far it's great - nice color and beautiful design, very durable due to being metal, fatter than most other metal bottles so it doesn't fall over so much (could be even fatter like a Nalgene). It has developed a slight nasty smell but you don't notice it unless you're paying attention. The handle is probably unnecessary, it's easier to just hold the bottle usually. The main issue is that it's kinda heavy -- due to the whole microplastics thing I would have switched to a metal bottle much earlier if not for the weight, but I guess that might require new technology to solve. ... show more
Reviewed in the United States on June 10, 2025 by anonymous

  • Practically perfect flask
Style: 40 Oz Color: Indigo
Love it. I got this for my elderly father, upgrading it with the metal lid. It’s of a perfect size, and not at all heavy for him to carry around when full. It keeps its hot contents hot and cold contents cold. It’s a big improvement for his single walled flask which could not be used for hotter liquids. Even when wet the texture gives enough grip to prevent slipping. The wide mouth also makes it easier to get a brush inside and clean along the tapered portion. I have the 64oz, which is another wonderful product, but this one hits the mark in so many ways. ... show more
Reviewed in the United States on June 4, 2025 by Sameer Sheikh

  • Great quality!
Style: 20 Oz Color: Surf
This is a GREAT water bottle. With the wide mouth, it is easy to fill with ice. It is not as huge as some bottles, which was one of the reasons that I chose it; it is not bulky, it's easy to hold, and it fits in our car's cup holders. A bit pricey, but this is a quality item. Used it today and it kept my ice water COLD. Now my husband wants his own! My research paid off. Go for it! ... show more
Reviewed in the United States on June 16, 2025 by Linda Fitz

  • Great quality water flask.
Style: 20 Oz Color: Cascade
I love this water flask. So much better than drinking out of plastic bottles! I purchased a wider opening and it's a breeze to clean. It keeps contents cold. I haven't put anything hot into it yet but I believe it would not disappoint. It's almost like a pet to me so I purchased a couple of vinyl stickers to adorn and personalize it. 😁 (A lion and owl in medieval manuscript style.) Fun. ... show more
Reviewed in the United States on June 15, 2025 by Georgie

  • Nonstop Usage
Style: 40 Oz Color: Lupine
I don't know why, but the lavender/light purple version of this bottle chipped and dented far more easily than any of my other hydro flask. I also have this in a baby puke green and turquoise. They have held up wonderfully through heavy use and being taken everywhere. They get 5 stars. The purple one is a fluke, sadly. The color is gorgeous. I am still giving this review 5 stars because these are all I've used for almost 5 years. However, my heart breaks for the purple bottle that couldn't. ... show more
Reviewed in the United States on May 30, 2025 by Sarah K. Whiteley

  • Worked great, only one little hiccup
Style: 20 Oz Color: Trillium
I bought this thermos to keep water hot for making bottles for my picky baby when we were traveling. It did a good job keeping the water warm enough for her for up to 8 hours. However, I had problems with the rubber inner seal falling out. This happened when TSA would check the thermos and it was a big inconvenience. I imagine this happens when you put hot water in it but still, it’s a drawback. All in all it worked well for me and it’s a beautiful color. ... show more
Reviewed in the United States on June 11, 2025 by Myriah Smith

  • Love My Hydro❤️
Style: 32 Oz Color: Lupine
Absolutely lovee my water bottle. Use it all day,everyday and the color is just amazing too❤️ It keeps my water cold and refreshing and the bottle is sturdy and good. Love it 🥰
Reviewed in the United States on June 22, 2025 by Bryanne Sealy Bryanne Sealy

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