One-piece elastic band waist trainerfeature1. One-piece elastic band, wrap-around wear, close and comfortable, no size requirement, suitable for all figures 2. It is wovenfrom high-quality polyester yarn and natural rubber, with environmentally friendly materials, fine texture and excellentresilience 3. Size: suitable for people with a waist circumference of 60-120CM 4. Weight: 50g; Length: 400CM 5. Applicablescenarios: daily, gym, outdoor running, postpartum repair 6. The strap has 6 pieces of segmented type, you can adjust thetightness according to your own needs.