Durable and Portable Gold's Gym Aerobic Step. Lightweight Aerobic Exercise Step. Non-slip Stepping Surface. Includes Gold's Gym Step Workout Dvd. Get the Body You Want At the Comfort of Your Home! Adjustable Height from 4'' or 6'' Lightweight aerobic exercise step Portable Riser blocks fit inside step for easy storage Non-slip stepping surface Includes Gold's Gym Step Workout DVD