COSTWAY 29&rdquo; Aerobic Fitness Stepper Platform Adjust 5" - 7" - 9" Exercise Stepper w/Risers Heavy-duty polypropylene material and advanced injection molding technology.Shock Absorbing, Non-Stick, Non-Slip Surface Optional For Regular Home Use And Work Out Classes.Convenient For Storage. Ideal for cardio workout and/or to strengthen your lower body Three Levels 4.7-6.7-8.7 Height Adjustment To Change Levels Easily Weight Capacity: 220 Lbs .Platform Size: 24.8 X 9.4(L X W).Overall Dimension: 29 X 11.2 X 9(L X W X H).