New Mares Pro Roller Cruise Backpack is made from 600D Nylon and durable PVC. Equipped with heavy-duty large wheels, exterior fin pockets, telescopic handle, padded soft shoulder strap, spiral zippers, and stainless-steel solid rivets, the Pro Roller Cruise Backpack offers enough space for diving or tropical gear. A beauty case w-inside mirror and a protective nylon cover make it a great outdoor backpack. This Mares Pro Roller Wheeled Bag can move through airports, streets, and boat ramps. Stainless steel screwed wheels ensure maximum durability and corrosion resistance.