alloy plate surface : The material of the plate is aluminum alloy, which is corrosion-resistant, heat-resistant and wear-resistant, high in strength, light in weight and strong in bearing capacity. Coarse paper : The surface sand of the emery paper is selected from high-quality emery materials, full of particles, waterproof, non-slip, durable and wear-resistant.High-performance one-piece bracket : stainless steel one-piece bracket, polished and chrome-plated with super strong compression resistance.Fashion appearance : fashionable appearance, novel color matching, wherever you put it is a scenery. s of the drift board : In the exercise, the drift board needs to swing the , twist the waist, and slide the legs, so you can exercise the , legs, and waist at the same time.