Description 1.Extra large opening: thanks to the extra large screw cap, the hydration bladder can be filled with water with ease. Perfect for filling ice cubes or various sports drinks. Cleaning and drying is therefore super easy. 2.Easy to clean: In addition to the large opening, the removable hose also allows easy and uncomplicated cleaning, simply rinse, empty and turn over. 3.Leakproof: with our high flow bite valve, you will not be slowed down. Simply bite the mouthpiece to suck water. Soft mouthpiece with easily accessible on/off valve prevents leakage. It also has a cover to keep dirt out. 4.Highquality material: our water bladder is made of a highquality and flexible material. This makes the hydration bladder tasteless and odourless. For care hiking, running, biking, camping or other outdoor adventures.