Come and see our amazing products. Whether you choose to mountain bike, hike, canoe, or run, these hydration backpacks will help you stay hydrated in any adventure! Each pack is made of 420D nylon bumper straps and mesh and has room for 2 liters of liquid. Features include an adjustable lumbar and sternum strap for extra stability, an interior zippered pocket, adjustable shoulder straps, front zippered pocket, rear zippered pocket and reservoir that features a large open mouth and flow tube drinking valve. A perfect gift for anyone who loves the outdoors, you can customize each backpack with your company name or logo to move your brand on the go! Pls confirm with us about the packing info, stock color and exact production time before placing your order.