Hontus Prado-Butterfly Kiss Luggage 3 Piece Set 3-Piece set ; Glide-Tech dual wheel multi directional 360 degree dual wheel provides smooth and stable motion Slim Lock TSA Design; Flex Pack Design expands 2" to add 25% more packing space Exterior Dimensions: 20 inch luggage case - 22.7 x 15 x 8.7 inches ; 24 inch luggage case - 26.5 x 17.7 x 9.7 inches ; 28 inch luggage case - 31.2 x 20.5 x 10.7 inches Interior Dimensions: 20 inch luggage case - 19.5 x 15 x 8.7 inches ; 24 inch luggage case - 23.5 x 16.5 x 9.7 inches ; 28 inch luggage case - 28 x 19.5 x 10.7 inches Weight: 20 inch luggage case : 6.5 lbs, 24 inch luggage case : 8.4 lbs, 28 inch luggage case: 10.5 lbs