ADJUSTABLE WAIST TRAINER 10" (sz M). UNISEX. BELLY WRAP. AB SWEAT. STOMACH WRAP & BACK LUMBAR SUPPORT. BODY SHAPER.BELLY BELT. TRIM AND SHAPE WAIST. MELT FAT. BURN BELLY FAT. STOMACH FAT BURNER. Adjustable velcro closure fits waists up to 41 inches Raises the body temperature in the abdominal area to help optimize metabolism and burn off extra calories during exercises COMFORTABLE AND LIGHT-WEIGHT - A premium waist trimmer. Made with high quality materials. Adjustable and stretchy fabric that is so comfortable you can wear it under any Work Out apparel. Medium Size. Uniform compressions exerted on the entire core area to protect the abdominal and lower back muscles from fatigue and strain