Size M fit waist 27-34 inches. Size L fit waist 35-40 inches. Composition: The surface of this bbl post surgery supplies is made of 75% polyamide+25% spandex; the inner is attached inside with 8.3’’×4.7’’ polypropylene board and The upper and lower sides of it are laminated with thin sponge. Ergonomic Design: The 360 lipo foam wrap around is curved but flexible enough to wrap around your abdominal, sides as well as back area. Provide Compression: This lipo foams post surgery 360 is hard enough ( 8.3’’×4.7’’ of polypropylene board is attached inside) and assists in flattening the abdominal skin after liposuction, providing compression and aiding the healing process. Reduce Marks and Creases: The belly board tummy control tuck protects your skin marks and ceases while maintaining a flat abdomen because the fabric is soft that helping your recovery process. Reduce Bruising and Swelling: The lipo foam ab board post surgical lipo post surgery is fundamental in helping controlling swelling, bruising and also with contouring by preventing wrinkling of the skin and enhancing skin retraction. Prevent Swelling and Fluids Retention: The 360 lipo foam wrap around ab board helps to reduce swelling and prevent the retention of liquids and molding a flat belly and sides post op. Assists the Loose Skin in Retracting or Shrinking: The post surgery foam pads reduces the likelihood of loose or sagging skin and contour irregularities after liposuction. Stop Garment from Digging into Skin: The abdomen board after liposuction helps to reduce the indentations, keep the flat stomach and prevents the compression garment from digging into skin especially when sitting down or walking.