Hu-the physical form of 2 in 1 bone 8 bone 8 segments of removable foam oxide ring, high quality, fitness and more comfortable abdominal shape, 0.8 kg to lose weight HU-the pneumatic fitness improved ergonomic design: Double capture and thickened sponge can better protect the waist during aptitude. The long-term movement cannot feel pain, promote blood flow at the waist and help burn more fat calories. Removable design: Hu-la tire is made of 8 mobile pieces and is equipped with a highly elastic buckle. Easy to install and disassemble. You may burn calories anywhere in the office, in the park, in the gym or at home.