Walkabout 4 20” Exp BusinessPlus Rollaboard is made of Nylon fabric with Duraguard™ coating features stain and abrasion resistance for greater durability; Honeycomb Framing System and EVA foam construction provide exceptional durability while keeping luggage light; Self-repairing nylon zipper system and ergonomic zipper pulls ensure effortless and secure opening and closing; Removable, sealed ball-bearing inline skate wheels use high quality materials for long-lasting durability; Rubber skid guards protect against potential damage during travel; Telescoping handle ensures a comfortable roll; Roomy main compartment expands 2½" maximizing space and packing flexibility; Stores an array of business essentials for easy access; Padded laptop pocket protects computer and provides easy access in the airport security line; Interior mesh side pocket; Limited Life Time Warranty