Fend off frozen drink tubes and help keep liquids cool in hot weather with the Bite Valve & Drink Tube Insulator by Platypus. This innovative design offers complete coverage of the bite valve, preventing it from freezing and keeping it clean.

Features

• Prevents freezing and keeps water cool in the heat

• Covered bite valve for cleanliness and freeze protection

• Reverse coil polyurethane-coated zipper to prevent ice/snow build-up

• Large zipper pull for easy one-hand operation, even with gloves

• Hook and loop closure shoulder strap attachment to secure to a pack

• Compatible with all Platypus® drink tubes and bite valves