Ricardo Beverly Hills Mulholland Drive 20" 4w Expand Wheelaboard, Black Deluxe lightweight hybrid collection combines a polycarbonate alloy shell with a luxurious brushed finish and micro ballistic nylon Built-in tsa-compliant combination lock keeps your belonging secure (excluded on 16 inch rlt) Add-a-bag strap lets you attach a second bag for easier transport and stows easily when not in use Custom designed 360 degree dual spinner wheels minimizes effort and strain on arms, shoulders and back. The 20, 24 and 28 inch uprights cases increase their packing capacity with the pull of a zipper Outer dimensions: 22.5 x 17 x 9.5 inches. Body dimensions: 20 x 15 x 9.5 inches