Item No:BD37A Aerobic Stpper Color: blue, black, gray Size: 65 x 20 x 10 - 15cm. Material:Plastic Item No:BD37A Aerobic StpperThis product is great for class and home use. It is perfect for a good workout and to strengthen your leg muscle. Features:1) Color: blue, black, gray2) Size: 65 x 20 x 10 - 20cm.3)Material:PlasticInner packing: 1pc/color boxOuter packing: 5pcs/ctn Aerobic Stepper