Amazon.com: Aerobic Exercise Step Platform by Day 1 Fitness - 28in x 14in CIRCUIT SIZE STEP with 4 RISERS - Non-Slip and Shock Absorbing Surface - Premium Gym Equipment and Accessories For Home, Adjustable
Reebok Step Platform RAEL-11150BL from Gaponez Sport Gear
Reebok Mini Exercise Step Platform Versatile Home Gym Workout Equipment, Black - Walmart.com