Aerobic Exercise Step Platform by Day 1 Fitness – 28in x 14in CIRCUIT SIZE STEP with 2 RISERS – Non-Slip and Shock Absorbing Surface – Premium Gym Equipment and Accessories For Home, Adjustable
So far, I've only used the first level, on carpet, and it works as it should. I can't speak...
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