【SAFETY DESIGN】The surface of the step platform adopts diamond groove patterns, which is non-slip and non-sticky, providing more grip and absorbing the shock to avoid slipping. In addition, the four non-slip feet at the bottom ensure the platform is stable and protect your floor from scratches 【NICE QUALITY】It was made of high quality PP material, our aerobic stepper is wear-resistant and durable and is a reliable fitness tool. With its sturdy construction and strong load-bearing capacity, it can support up to 550 lbs weight 【ADJUSTABLE HEIGHT LEVELS】Equipped with two risers, you can easily adjust the height of our exercise stepper between 4" and 6" 【Versatile Usage for Fitness】Our aerobic step platform can help you build endurance, boost exercise intensity, lose weight and improve cardiovascular fitness 【ANY WHERE】This platform size is 68 x 28 x 15cm you can not only do your daily workout at home,but also bring it to the office or Gym