This four-wheel drive hybrid carry-on to meet your highest expectations. Big enough for carrying your essential needs, the quick-access external panel can carry your features a padded laptop compartment. Glide through airports in style with the ONU-4WD. U.S.A. airline regulation carry-on. Hybrid molded hard shell bottom and soft sided top. External zippered compartment for easy access when stowed in the overhead bin. Main compartment with clothing compression panels. Internal zippered privacy pocket. Zippered divider panel with low-profile mesh pocket. 2" zippered expansion gusset. Polycarbonate / ABS shell with Hinomoto™ wheel set. Rugged zippers and transport grab handle. Dimensions: (Unexpanded) 21.75"H x 14"W x 9"D / CM 55 H x 35.5 W x 22.75 D. Weight: 7 pounds / 3.2 Kg. Capacity: 2,194 cubic inches / 36 liters.