Fully lined interior. 3in. expansion for extra space. Large zipper compartment on lid. Roomy main compartment w/tie down straps. Constructed of International Traveler's 100% German virgin polycarbonate with has greater flexibility and durability than fabric or ABS materials. Recessed locking handle. Top and side carry handles. Stainless steel ball bearing wheels. Fully lined interior. 3in. expansion for extra space. Large zipper compartment on lid. Roomy main compartment w/tie down straps.