Strauss Aerobic Stepper (Black/Grey) and Tummy Twister Material: Other In-box Contents: 1 Adjustable height: 4''-6'' Step platform surface is non-stick, non-slip, and shock absorbing, can ensure you exercise easily and safely This exercise Stepper will help you work on your coordination as you improve your cardiovascular fitness, ideal for cardio workout and/or to strengthen your lower body The magnetic acupressure tummy twister to help you lose Weight and stay fit