2X Aerobic Step Risers Everfit Add-on Riser Pair for Aerobic Step Platform 5CM Height Commercial-Grade Stack-up Home Gym Cardio Fitness Indoor Workout Exercise Accessory 40cm x 40cm Non-skidding PadWhere each step riser will increase the height of your aerobic by 5cm, you can now perform all sorts of aerobic routines and have a professional workout even when you're at home. Non skidding pads for stability & safety. Ideal for home and commercial use. Please carefully check the dimensions of this step riser and of your aerobic step before purchase. This product includes 2pc step risers and comes in 1 package. (Note: No step board is included.) For