NO LONGER WORRY ABOUT SIZE ISSUES -- 3 rows of hooks design it allows you to adjust the waistline to fit your figure curve at the most extent and you can djust the suitable size as your inches down to meet the fitness needs of different stages. PROMOTES BODY HEAT & WEIGHT LOSS -- It could help you to reduce your 6-8cm waistline after wearing 5-6 weeks. It could be better with exercise and diet. DOUBLE LAYER SKIN-FRIENDLY MATERIAL -- The outer material is made of 100% natural latex. It's good elasticity and resilience, reshaping the waist line. The inner layer is of pure cotton lining, perspiration, breathable and comfortable. IT COULD BE USED ON MANY OCCASIONS -- Perfect for everyday wear, during work, running, workout, and other fitness. It also helps postpartum recovery all process, control tummy, shrink waistline, ease transition of uterus and reduce it down to normal size.