Shell:100%Cotton;Linning:100%Polyester 100% Cotton for Comfortable Wear: The binder stomach after surgery is breathable and lightweight. Elastic Straps: The elastic of ab binder post partum is long and stretchy enough to provide right amount of compression. Fastens with 3 closures for wide range of size adjustability. Speed Up Recovery from Surgery: The abdominal binder post surgery applies medical grade compression to help accelerate healing, reduce swelling and bloating after postpartum or hysterectomy. The material is soft and smooth so it won’t irritate your incision. Helps to Shrink Down Belly: The c-section/hysterectomy binder post surgery helps the shrinking process and return uterus to its original size. Helps to Flat Stomach : The postpartum waistband helps get your baggy skin back in place, flatten your stomach to normal after baby. Back Support and Improve Posture: With build-in boning provides on the back that allow this cesarean belly binder to help with the lower back pain, provide core muscles support and remind you to use proper posture.