Armor Ballistic Pullcart: The ultimate in travel durability and function Rigid and protective hard plastic bottom case and waterproof 1680 denier ballistic Nylon make it tough enough to withstand even the rowdiest airline baggage handlers and Divemasters 100% non-corrosive components Optional regulator bag fits top pocket Separate wet and dry compartments with waterproof barrier Large rubber wheels for easy rolling on all surfaces Size: 30x15.5x15 inches (Capacity: 7200 cu.in.)