SAYFUT 3 in 1 Women's Postpartum Girdle Recovery Belly Band Wrap Belt A: Belly belt- helps getting your stomach and muscles half way back to normal, recommend to use when 1~7 days after vaginal birth. B: Waist belt- helps flatten the belly,redefine the waistline,relief back pain,combined the use with stomach belt will accelerate the effectiveness, recommend to use 1~6 weeks after vaginal birth or stitching healing from C-section. C: Pelvis belt- helps speeding up the contraction of pelvis and stretched to fit the natural curves of your body  Speed Recovery, Reduce Discomfort - The Postnatal belts are not just body shapers, they are medical garments to help the uterus go back to its place in less time, provide back support and compression, allowing a faster recovery and molding of the mother's figure. It is completely understandable to worry about the corset interfering with your incision. But the opposite is actually true. Compression is known to increase blood flow, reduce swelling, prevent wounds from opening, reduce tension on newly formed scar tissue. Size:(If you are purchasing after birth, choose based on your current waist size) Small: Belly belt -- 34.6" x 9", Fits Stomach 24"-35" Waist belt -- 35.4" x 9", Fits waistline 28"-35.5" Pelvis belt-- 37.4" x 6", Fits hipline 25"-37.5"  Medium: Belly belt -- 35.8" x 9", Fits Stomach 25"-36" Waist belt -- 37.4" x 9", Fits waistline 30"-37.5" Pelvis belt-- 39.4" x 6", Fits hipline 27"-39.5" Large: Belly belt -- 37" x 9", Fits Stomach 26"-37" Waist belt -- 39.4" x 9", Fits waistline 32"-39.5" Pelvis belt-- 41.3" x 6", Fits hipline 29"-41.5"  In order to help you get your body back to its former post childbirth more quickly, we recommend you combine exercise and calorie control with the use of this product, you will see a very big difference soon. Package:1pc Belly belt + 1pc Waist belt + 1pc pelvis belt.