Offers ample workout options – perfect for both cardio and strength training Adjustable risers challenge workout by increasing platform height from 4" to 6" to 8" Shock absorbing, non-stick, non-slip platform supports over 400 pounds Platform and risers lock together for lightweight, easy to carry transportability Perfect for daily gym, home or office use with compact dimensions of 30.7" L x 11.4" W x 4" H Like new condition. No flaws. Smoke free home. I ship next business day.