Zipper closure Functions: This ab belly band targets right at your tummy tuck control area, makes you sweat like crazy to achieve a faster weight loss, fat burning and muscle toning. Wearing this sweat sport girdle, you can do the same workouts as usual but burn more calories. Also the hourglass hot body shaper is featured tiny air permeable holes on its neoprene fabric, which is breathable soft and makes the sauna sweat waist corset belt comfortable to wear. Features: The waist band cincher around is featured with SEVEN PCS OF flexible bones, which functions as an effective lumbar back braces support. For sedentary office staffs, it helps improve posture and release the back pain. For the gym training girls, it reduces the risk of injury like a herniated disc and lumber muscle strain during fitness exercise. The waist trimmer belt wraps is applicable for both women and men as a strength training equipment in the gym. Design: double adjustable closure - people of different sizes able to wear this stretchy waist trainer belt easily. it brings an instant sexy hourglass sexy figure curve by flattening inches off your waistline and you can freely adjust different level of abs compression for a sung fit. the slimming abdomen binder can be used during working, workout sports, fitness excise, or even post c-section surgery, postpartum support.