This healthy massage & waist twisting disc is easy to use, easy to practice.It can make your waist, chest, legs are fully exercise so as to achieve thin waist, thin leg, lipid-lowering, increase skin elasticity, if match the rhythm of the music, not only can increase the fun of exercise, and can make people relaxed and happy, comfortable health, remain plentiful energy. Biggest bear weight: 220 lbs.