"The Tunturi Class Aerobic Step is your new portable workout platform, this robust step is highly convenient for quick and effective workouts. It's lightweight, sturdy reinforced plastic construction allows you to store it away with ease. Three simple height adjustments give you the option to adjust workout intensity as your fitness improves, a non-slip rubber surface has been fitted for safety and ease of use. This step is compatible for not only domestic but commercial use too, its hefty 300kg weight capacity allows anybody to jump on it and get a productive workout. Product Features: Height adjustable to 3 different levels - 15cm, 20cm, 25cm. Adjustable length to accommodate varying exercises. Professional step that's suitable for both home and commercial use. Manufactured using reinforced plastic with a non-slip surface for safety and ease of use. Maximum Weight Load Capacity: 300kg. Only weighs 8.5kg for easy movement."