Yes4All Adjustable Aerobic Stepper Platform High-Low Power Exercise - Green / Pink - &sup2;769FZ Green and pink; 14 x 40 inches step surface Height adjustable from 4, 6, to 8 inches Ideal for cardio workout, fitness, low-impact and high- impact stepping aerobic High-density polyethylenematerial for sturdy, durable construction support up to 200 pounds Non slip, shock absorbing surface and non-marking rubber floor pads and the blocks Idzo is the exclusive seller for this listing. If you see any other non-Idzo listing, it's a counterfeit or cheap/inferior product. If you accidentally buy it from a non-Idzo (the seller), report the seller immediately to Amazon for a full refund.