Material: Neoprene, Microfiber, Nylon, Spandex. Only hand washing ,No Iron/No Machine Washing/No Chlorine bleaching/No Dry cleaning; Neoprene material absorbs sweat and stays dry on the outside,promotes weight loss and shapers your body. Slim waist tummy and tights; provides instant abdominal compression and lumbar support COMFORTABLE MATERIAL: Comfortable, lightweight, stretchy fabric molds and moves with your body while performing any activity. It looks great and matches with any combination of workout tops or can even be worn under everyday clothes. PROVIDES COMPRESSION & SUPPORT: Unique design provides abdominal compression and lumbar support. Take it to the gym or for a run outside and let it add impact to your healthy lifestyle routine.This process allows toxins and impurities to exit the skin,while mobilizing fat cells. Size measurement: Pleased Note: Our Size is waist size. Size S:25inch(64cm) Size M:27.5inch(70cm) Size L:30inch(76cm) Size XL:31.5inch(80cm) Size 2XL:32.3inch(82cm) Size 3XL:33inch(84cm) Warm tips: Wash care: Hand wash in lukewarm water, wash separately, do not wring dry, lay flat to dry or hang over hanger.