it luggage Carry Master 24" Removable 4 Wheel Case, Black Easy-click removable wheels. This handy feature reduces exterior Dimensions for flexible carry on options - comfortable telescoping top-handle - helps to easily roll the case along carpet or hard surface Maximum cabin size - versatile, multi-pocket case with easy access padded laptop section. (Carry-on only) - waterproof pocket - interior vented wet pocket, ideal for shoes, towels, swimsuit etc Multiple carry options - optional shoulder straps and handy piggy back strap provides ultimate flexibility Exterior Dimensions: medium case (24 x 15.6 x 9.6") (6.83 lbs.) - interior Dimensions: medium case (21.7 x 14.8 x 9.6") 15.6x9.6x24