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Hydro Flask Standard-Mouth Sports Cap
Say hello to the insulated Sports Cap, designed to fit standard-mouth Hydro Flask bottles.
- Keeps your drink colder even longer
- Unique internal valve eliminates whistling sounds
- Easy to drink from and allows for 1-handed open and close
- Designed to fit 12, 18, 21 and 24 fl. oz. standard-mouth Hydro Flask bottles
- Made from BPA-free polypropylene #5
Imported.View all Hydro Flask Water Bottle Accessories
2.7 x 2.7 inches
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