Feature: 1. The particles are evenly arranged, and the particles are distributed on the sole of the foot, make the body feel comfortable while exercising. 2. The twisting waist disc is lightweight and easy to store without requiring a lot of space, making it easy for users to exercise anytime, anywhere and improving the enjoyment of daily activities. 3. Thickened design, safe and wear proof, pressure proof. 4. It is made of environmental plastic without odor, good pressure proof, home fitness equipment. 5. The twisting waist disc can effectively exercise the abdomen, enhance core strength and waist flexibility and suppleness. Specification: Item type: Twisting Waist Disc Material: ABS pressure proof plastic, steel ball Diameter: Approx. 25cm/9.8in Weight: Approx. 485g . Package List: 1 x Twisting Waist Disc