Ancheer Fitness Step Gym Aerobics Adjustable Exercise Workout Stepper US STOCK--Lightweight with the non-slip surface design makes it safe and easy for you to move The height is adjustable so you can choose the mode you like,Adjustable Height: 9cm, 14cm/3.5inch, 5.5inch Aerobic Step made of high quality PVC material is durable and load bearing is 200KG/440lbs Our aerobic step can be used to target your hamstrings with alternating lunges and also help you to strengthen your chest and back by pushups Ancheer for better life, this product one year quality assurance