Hydration Pack Backpack With 3L Bladder

3L Hydration Bladder: BPA-Free, taste-free, and odorless. Durable, kink-free sip tube and push-lock cushioned bite valve, gently biting the valve to open up the flow of water; Large 2 opening for ice cube and easy cleaning. Hydration Pack made rugged 800D Oxford fabric and nylon lining, resistant to tears and abrasion. Durable plastic insert buckles with ultra-high hardness. only 21 ounces with adjustable shoulder straps, The ergonomic design makes your back more comfortable. The soft, breathable mesh pad on the back keeps your back cool and dry