FUNS (TM Waist Hydration Bladder Pouch, Cycling Running Hiking Water Bag for Fanny Pack Army Reservoir/w Insulated Hose Cover Shutoff Valve 1.5 Liter Food-grade premium quality anti-bacteria materials. High quality TPU material Bladder,TPU material tubes,Featured with a tube cover (tube warmer) Unique Shape with a caved line makes water more flat in the bag. Easy to pack. Easy to use. it can be used individually as a water bag, or put into pockets, backpacks or briefcases.Can be used to store water with -20 to 50 degree celsius. Large Opening for easy cleaning. Mouthpiece is 360 degree rotatable. Tube quick disconnect Feature, special shutoff valve design, water will not leak even taking off the tube. 1.5 Liter Volumn, Package Content: 1 x Water Bag