4'' - 6'' - 8''-10''-12'', 5 Height Levels: The tall exercise step platform consists of a non-slip platform (16 L x 16 W x 4 H) with 4 risers that can adjust the height from 4 to 12 inches depending on the intensity of the workout. The workout stepper is a widely used aerobic fitness system, perfect for beginners and advanced athletes looking to work out at home. Sturdy and Long-lasting: This fitness aerobic stepper is features eco-friendly, constructed with HDPE material texture surface, which is sturdy, durable and compact for stable long-lasting use. The large and heavy duty platform holds its maximum weight limit of 300 pounds, so you can take every step in confidence. Invigorate Health Effectively: Step routines provide a low-impact aerobic workout that helps burn fat and take your cardiovascular fitness to next level! The Aerobics stepper can help promote better balance, flexibility, agility, and endurance. And it is long-lasting ye