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The small-mouth opening on the Hydro Flask 24oz Narrow Mouth Water Bottle allows for better control so you don't end up wearing what you're drinking, and the double-wall vacuum insulated construction keeps your fluids hot or cold. 

  • Small (narrow mouth) opening
  • Double wall vacuum insulated
  • Keeps hot up to 12 hours
  • Keeps cold up to 24 hours
  • BPA-free
  • 18/8 stainless steel
  • Signature powder coat
  • Reviews
  • Q & A

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Good size. Keeps water COLD!

  • Familiarity: I've put it through the wringer

Its a good size of water bottle to bring on short hikes. Only thing that would be nice is if the mouth of the bottle was wider so it could fit a straw lid on it. Its keeps water very cold for a long time! Very durable!

Love this for work not for hiking!

  • Familiarity: I've put it through the wringer

I use this the fantastic bottle for my day to day activities if its at work or at the dog park. I've had ice not melt for hours in this bottle. However, it is a little heavy and i wouldn't take backpacking. Overall it's a great bottle but i do wish i would have gone with a larger wide mouth bottle.

Outstanding Insulated Bottle Choice

  • Familiarity: I've used it several times

Very well insulated and durable bottle. I've had ice last for up to 24 hours from room temperature to outdoors as well. Yes the narrow mouth is barely too small to fit ice from typical ice cube trays, but that is easily solved by only filling an ice tray halfway or using a tray with smaller molds. If the narrow mouth is not a preference for you, then I would highly recommend any of the standard mouth or wide mouth hydro flasks as well!


  • Familiarity: I've used it several times

I purchased this because of reviews I was reading on a Disney site. I LOVE these flasks! My coffee stays hot for hours. I have not had a chance to use them for anything cold yet. I did however ask for more of these on my Christmas List!!