The 3 Liter MOLLE Backstrap Hydration System is engineered to effectively transport water while on the go. The hydration pack is ideal for anyone in the field or planning to be outdoors for an extended period of time (hiking, camping, and festivals). Constructed with a durable denier polyester (Multicam 1000 Denier Nylon) and polyurethane bladder with neoprene covered hose, 's Hydration pack has been designed hold the weight of 3 Liters of liquid. The neoprene covered plastic hose with soft bite valve features and on/off switch which prevents dripping when not in use. Durable, lightweight and efficient 's MOLLE hydration pack provides you with the hydration you need while outdoors.