Hardside (Polycar) - Shell material is made of injection molded polycarbonate, a highly impact-resistant plastic that is strong and lightweight. Carry On Sized - Luggage designed to fit in most airlines overhead compartments; may not conform to some airlines carry-on standards. Spinner Wheels - Four wheels...zero effort, four multidirectional spinner wheels allow 360 degree upright rolling in multiple directions so there is no weight on your arm. Retractable handle - Provides easy maneuverability when extended out from the case, and stores neatly inside when not in use. Locks in place in both the fully extended and stored positions for secure traveling. TSA Lock - provides additional peace of mind when checking belongings, but can still be easily accessed by TSA agents in the event the case needs to be searched. Unified custom design on front and back shells. Full-zip interior divider with organization pockets. Beautiful brush-stroke coloration which is great for hiding any potential scratches or scuffs from your journeys. Side mounted TSA lock. Expands for added packing capacity. Dimensions & Weights: 20" - 20 x 13.5 x 9.5, 6.7 lbs., Dimensions & Weights: 24" - 24 x 16.25 x 11.5, 11.5 lbs., Dimensions & Weights: 28" - 28 x 19.75 x 12.5, 11.5 lbs.