Hook and Eye closure Smooth under clothing Seamless outer panel Provides back support. Wear under any fashion Body and Reinforcement: 77% Nylon, 23% Spandex exclusive of elastic decoration Hand wash warm. Use only non-chlorine bleach when needed. Line dry in shade. Do not iron. This comfortable and flexible garment is designed with inner-double-panel construction and includes side-release panels. It provides good back support and enhances your posture. This garment removes inches from your waist.