1、Material: The waist twisting disc is made of PP materials, durable. With a small round hole on the side, you can use it with your fitness pull . 2、Good Carrying Capacity: The measured bearing capacity of the carefully selected engineering grade material base is about 400KG, with excellent bearing capacity and impact resistance, and stronger stability. 3、Fitness Shaping: Persistent exercise can not only slim waist, legs, buttocks, but also exercise hand muscles, get rid of cellulite, and shape perfect curves, which is convenient and fast. 4、Stable Motion: The equipmentball can achieve 360 degree omnidirectional movement and do not freeze, and the high impact rotating platform provides a powerful form of aerobic exercise. 5、Convenient: The lightweight makes it easy to carry. You can exercise anytime, anywhere, without time and space constraints. Both indoor and outdoor for fitness waist exercise.