The Hyperfly FlyDry bag is a 100% Class 3 waterproof rated backpack that is made from a high-fiber material that protects your contents from water, dust, sand, and other outdoor impurities. It can float on water without ruining any of the contents in it. The backpack has a two-way sealing system that makes it efficient and safe for you to carry your contents without the fear of tearing. It has padded shoulder straps that ensure its comfortability, and therefore you can carry it around all day without feeling tired. The bag has lumbar support and a comfortable back panel with an air flow design.