Whether you are working out, running errands or just relaxing in the sun, this Perma-Frost Hydra Bottle's gel filled double wall freezable construction will keep your beverage chilled for hours without the diluting effect of actual ice cubes. Gel bottles have been around for several years, but this one boasts the innovative Tritan material and non-toxic re-freezable gel which sets it apart. When frozen, the gel medium between the walls form a crystal-looking crackle effect, keeping your drinks crisp n cool!
* Capacity: 20oz.
* Flip top drinking spout
* Interior wall is filled with re-freezable gel