Black body Shaper Belt Support Comfortable Belt Body Shaper Slimming Shaper Belt Girdles Firm Control Waist Trainer Sizes Small - 29 to 30 Medium - 31 to 35 Large - 36 to 38 inches XL - 38 to 40 inches 2XL 38 - 41 inches 3XL 40 - 42 inches PLEASE MEASURE YOUR WAIST LINE TO DETERMINE THE CORRECT SIZE. Every body is different, please do not just go a size up while purchasing.