Brooches by Mariko Sumioka Inspired by roof tiles and moss on tiles, each piece is carefully textured, enameled and assembled together into a unique piece of brooch. Double pins on the back; it can be tightly fixed on your clothes. Silver, enamel on copper with stainless steel pin. Features Primary Material : Silver Other Materials : Enamel Pin Type : double pin Dimensions (mm) : 70x38x14 One of a Kind : Yes Metal : silver Hallmarked : No Cleaning InstructionsPlease be careful in handling this piece. Physical shock will cause the enameled part crack or break. Please clean the silver parts with silver cleaning cloth.