[PP Hard Shell Luggage: The luggage set is made of 100% PP material to ensure that it will not crack or break during transportation. USB Charging Design：The carry on suitcase come with USB port which can charge your electronic devices at any time. (Note that mobile power is not included) Secure Protection: Our suitcases are equipped with TSA-approved locks to ensure that only TSA personnel can inspect your luggage without damaging the locks. Convenient Organize： It is organized internally with YKK zippered dividers and X-cross straps， also with a waterproof bag inside to effectively separate wet and dry. 24 Inch Checked Luggage: Packing dimension 26 x 16.3 x 9.8in overall dimension 26.9 x 17.4 x 11in (wheel and handle height included)]