The Vevor aerobic exercise step platform is designed for cardio, strength training, balance work, and rehabilitation exercises at home. Its reinforced PP construction and textured non-slip surface help provide stable footing during workouts. The platform includes 4 risers for adjustable height settings from 4" to 8" to match different fitness levels. Stackable risers store neatly underneath for compact storage in smaller spaces. It can also double as a sturdy step assist for everyday use.