HIGH-QUALITY MATERIALS: The sport waist twist disc is made of polypropylene resin (PP), non-toxic, odorless, tasteless, safe and durable, the maximum load-bearing capacity of the simply fit board is 120KG, suitable for most people.SAFE AND SECURE: The 6 soft silicone non-slip sheets at the bottom firmly grasp the ground and two soft cushioned foam handles for comfort, protect your hands from injuries and absorb sweat to prevent slipping during exercise.UNIQUE DESIGN: The 3D three-dimensional pressing can fully press the acupoints on the soles of the feet and massage the soles of the feet to relax the whole body while losing weight.EFFECTS: Ten minutes a day spiral fat burning method through this slimming magnetic balance board, adhere to thin waist, legs, buttocks, foot massage, remove fat and shape a perfect curve.WIDELY USED: This fitness waist twister is suitable for children, office workers and the elderly etc. Small and light, easy to carry, can be used in homes, offices, parks and other flat ground."