Product Design: KEDLEY Waist Trimmer is produced using high quality neoprene that retains heat created during exercise, increases blood circulation to the abdominal muscles and traps heat around the mid-section, helping to flatten and tone the abdominal muscles. This belt also offers support to the lower back and by increasing blood circulation can relieve pain, swelling and stiffness. Technical details / instructions: Fits up to 115cm (45 inches) - Measure around the stomach Designed to fit both Men and Women Washing instructions: Hand wash in lukewarm soapy water, rinse and air dry. Unisex black design. 1 support per package.