*1. The strap is woven from high-quality polyester and latex, environmentally friendly and resilience are excellent. *2. It is worn around your waist to increases your body temperature and burn extra calories. *3. With 6 pieces of segmented hook and loop fasteners, you can adjust the tightness according to you needs. *4. Wrapped wear and without size requirements, fit the body curve, suitable for all women's figure. *5. The product has passed 10,000 elastic tests, and the elasticity is stable and not easy to deform, strong, and durable.