[Size]: M size is 67cm long and 57cm wide, suitable for 22-24 inch suitcases. L size is 84cm long and 65cm wide, suitable for 26-28 inch suitcases.[Material]: Our protective cover is made of 180 grams of fine milk silk stretch cloth, which is durable and washable. The trunk lid protects your luggage from dust and scratches.[Unique design] There are 2 openings on the top of the unique design for retractable handles and handles, and the bottom of the box has a Velcro design. The unique design allows you to load and unload easily.[Note] Before buying, please make sure that we only sell suitcase covers, not suitcases. Please measure the size of your suitcase so that you can get the correct size. Make sure that the size of your suitcase is a standard size.