Softside cases are constructed with new Fibreloc Plus 1800-denier polyester. Styles are designed to be more comfortable to use and easier to handle. Recessed wheels and handles for maximum protection and durablility. Hardward and fittings are matte-nickel plated. Hardside cases are made of the same material used in motorcycle helmets. Combination locks and in-line skate wheel technology for greater maneuverability. Samsonite hardside cases have a 10 year warranty.