Description: Space Saving Design: This fitness step board features a hidden storage design at the bottom, making it easy to store and not occupying much space. Strong Grip: Equipped with a powerful grip pad at the bottom, this step board prevents accidental slipping, ensuring the quality of your workout.Sturdy and Durable: The grid load bearing column makes this step board more stable and durable than ordinary ones, providing you with a exercise experience.Adjustable Height: The height of the step board can be freely adjusted to 10cm, 16cm, or 21cm to change the intensity of your workout as per your preference.High Load Capacity: Made from ABS plastic through molding process, this fitness equipment is highly stable and can bear up to 200KG weight. Specification: Material: ABS plastic Size Chart: 45cm or 17.72inch Package Includes: 1 Aerobic Stepper Set Note: Please allow slightly errors due to manual measurement and different monitors.