Now you can do step aerobics at home any time you want! No need to drive to a gym. Aerobic step has non-skid feet to keep it from slipping out from under you. Adjust the height up to 6 inches. Great cardio workout. Includes adjustment blocks up to 6" Optimal for home training Platform with shock absorbing, non-skid surface Provides excellent traction on any floor . Surface measures 10.5 in. W x 26 in. L