Cleaning is a breeze by hand washing with the NuBra cleanser and allowing to air dry. Simply select your normal cup size. Contains: 30% Polyester, 30% Polyurethane Foam and 40% Silicone Adhesive. A center closure clasp allows you to adjust your cleavage to preference while the silicone adhesive is skin-friendly which allows for comfortability while making it reusable.