ADJUSTABLE HEIGHT: Comes with four platforms to adjust the stepping level (10cm, 15cm and 20cm) This fitness step is suitable for cardiovascular training.ANTI-SLIP: Textured top panel prevents you from slipping when using the steppers for exercise workout, making it safe for use (shoes must be worn) .SMART DESIGN: Steps can be removed and placed on the bottom of the mini stepper, making it easy to carry and store.THICK PLASTIC: A solid and sturdy construction, this aerobic stepper provides enduring hours of exercise.DIMENSIONS: 10/15/20H x 78L x 28Wcm. MAXIMUM LOAD 150KG.