Titan Fitness Medium Aerobic Step 4"-8" Step w/Risers Gym Home Exercises Workout Sturdy: Shock-absorbing surface, risers stay in place, heavy duty construction; 300 lb weight capacity Quality Design: Easily maintained and cleaned, risers come off; Work out in shoes or bare feet Versatile: Can be used for weight loss, muscle-building and toning, 3 different settings for more strenuous exercise Safe: Textured surface prevents slipping, Rubber feet on step and riser bottoms protect floor Easily adjustable: Simply insert the risers into the bottom to make it higher, take them out to reduce height