This hard-side luggage set sits on 8 wheel spinners. Each luggage piece is expandable and lightweight. A clear protective coating has been applied to the outside of your new luggage. This easy to remove thin wrap of plastic is applied to protect the high-gloss finish on your new luggage. To remove, start at the upper-right corner on the front of your bag. Lift an edge of the plastic wrap and peel it away. Repeat this process until all plastic is removed. Large size dimensions: 28"x20"x13 ( 2") Medium size dimensions: 24"x17.5"x11.5 ( 2") Small size dimensions: 20"x16"x10( 2")