Best Choice Products 30in Non-Slip Fitness Aerobic Stepper Workout Platform w/ 3 Height Level Adjustments - Black/Gray Enjoy a great workout at the comfort of your own home Up to 8 of adjustable height for level changes Weight Capacity: 550 lbs Platform Size: 30 X 10.6 X 3.5 (L X W X H) Each Riser Size: 11.8 X 3.9 X 2 (L X W X H)