7" deep back panel for petite figure covers lower back area for maximum therapeutic benefit Ribbed web elastic molds around body contours for a comfortable custom fit; Tapered in front Pockets for two optional semi-rigid metal stays; Adjustable and shapeable for extra-firm support Flexible stays offer added support and stability; Quick and easy hook-and-loop fastening and adjustment Made in the USA; Measure around the widest part of the hips and refer to size chart