TAGVO Hydration Bladder Cleaning Kit + Backup Bladder 2 Liter BPA Free, 4 in 1 Cleaner Set-Long Brush for Hose, Small Brush for Bite Valve, Big Brush for Bladder & Hanger for Bladder Drying COMING WITH CLEANING KIT: including a water reservoir and cleaning kit which contains 1* flexible snake brush for drinking tube cleaning, 1* smaller brush for mouth piece cleaning, 1* bigger brush for bladder cleaning, and 1* collapsible frame for bladder air drying; FDA APPROVED AND BPA FREE: the hydration bag is made by food-grade safe non-toxic TPU material, 100% BAP-free, provide for a safe and environmentally friendly hydration experience; LEAKPROOF BITE VALVE: the rubber mouth piece has an on/off valve to prevent leaking when not drinking, please screw the hose tightly to prevent leakage, it also has a cover on it to keep dirt out; EASY CLEANING BLADDER: the hydration bladder is designed with a large opening cleaning & drying and easy for adding ice cubes directly from a scoop or refrigerator ice dispenser to get cold water; FIT FOR: with size 6.9"*14.4"(L*W), the bladder can be holded in almost all the hydration backpack, perfect for cycling, hiking, camping & travelling.