[Humanized design]: The key parts of the foot-shaped particle raised design are inlaid with magnets. The three anti-skid pads at the bottom keep stable, and the humanized foot-shaped design makes stepping more comfortable. Waist winding board [Foot Massage]: Wave plate massage stimulates the meridian points on the soles of the feet and promotes health. The interior is made of sturdy structure and steel balls, which is durable. Sports twist board [Effective exercise]: Using this plate can effectively burn calories, combined with the advantages of aerobic exercise and reflexology, very good. [How to use]: Use this twisting board to twist the waist, make the abdominal muscles, buttocks, and thighs thinner, and massage the feet to promote blood circulation. Sports torsion board [Portable design]: This fitness tool is easy to carry and store, you can use it at home or take it to the gym, and now move for your beautiful figure. Product Specipication Twisting the lumbar plate and twisting the magnetic massage board for aerobic exercise Product Specipication Stick to twisting your legs and waist every day When sitting in the office, working, watching TV, or reading at home, put your feet on the waistband and massage the reflex area of the soles of your feet frequently, which can make you more relaxed. Specifications Product size (length x width x height): 30 30 5cm / 11.8 11.8 2inchesMaterial: ABS+steel ball+magnet Package content Waist Plate 1 Notes 1. Due to manual measurement, please allow slight measurement deviation. 2. Due to the different display and lighting effects, the actual color of the product may be slightly different from the color shown on the picture.