MaterialThis New Model luggage cover is made of durable 300 grams elastic material, 8% spandex and 92% polyester fibre.Fit soft/hard luggage perfectly. Anti-Dust&Water-resistanceHigh Density sewing technology allow this suitcase protector protects your suitcase against dirt and scratch and water resistance. TSA approvedThe luggage protective cover is durable and washable. Zipper design easy put on/off, TSA Approved is convenient for your travel. Perfectly size4 sizes available to fit almost any luggage. S: fit 19-20 inch luggage, M: fit 22-24 inch luggage, L: fit 26-28 inch luggage, XL: fit 29-30 inch luggage. ATTENTION Please measure your luggage before add to chart and refer to our size chart, please feel free to contact us If you have no idea which size is perfect.