Come and see our amazing products. Made of high-quality nylon, more durable use. A breathable air back panel keeps your back cool, adjustable chest strap with whistle and waist strap perfectly fit your body. This hydration backpack is super comfortable, breathable, lightweight, compact, and low-profile, you won't get any burden in running or cycling. A switch valve and a cover cap make double leak-proof. Hands-free hydration hose with suck mouthpiece, gently biting to get the liquid to flow. The large opening makes it easy to add ice cubes, clean and dry. With this BPA-Free, taste-free, and odorless hydration bladder,you can keep hydrated and active all day throughout your adventure. Pls confirm with us about the packing info, stock color and exact production time before placing your order.