Platypus Drinking Tube Insulator And Bite Valve Cover

The Platypus Bite Valve Cover & Tube Insulator keeps water from freezing in your hydration system's drink tube in cold weather. Attaches to pack shoulder strap so it's easy to grab a drink on the go. Always blow your water back into the resevoir when you are drinking in cold conditions as this will assist the tube in not freezing up. Also great for keeping your water cooler in hot conditions. Bite valve cover keeps the bite valve clean and sanitary. Perfect for skiing, snowboarding, snowshoeing or other winter activities, from Platypus Hydration. Weight: 3.25 oz.. Length: 41 in.