Wrap your bladder drink tube with our ultra-effective tube insulator cover, made to keep the water or liquid in the tube from freezing or heating, keeping the tube safe from cracks and the water at the perfect temp for refreshment! This hydration tube cover fits tubes up to half an inch round, so it works for almost every brand of hydration backpack's water bladder. At 3 feet long, you'll have plenty of length to drink comfortably. Buy today and cross that worry off your list. Made in the USA: Made by a veteran-owned company in the US committed to quality products for backpacking equipment.