【Lightweight 12L Hydration Backpack 】Super lightweight 8.5 oz hydration pack backpack with 2L water bladder. Waterproof and tear-resistant fabric, PU coated nylon hydration pack bears 25 lbs.
【Leakproof & Anti-popping Water Bladder】Water backpack for hiking with 2L bladder, BPA-free, food-grade PEVA material, and hose clamp. Leakproof bite value, water flows fast and never drips on when locked.
【Comfortable & Breathable & Adjustable】Multi-adjustable shoulder straps on hydration Pack, adjustable to 19″-34″ on should straps, 2.4″-7.9″on chest strap(up & down). Hydration packs are suitable for adults and children. Ergonomically fits for your shoulders, chest, and waist. Soft air mesh back speeds up the air flow and makes your back cool.