Bangles by Jessica Briggs This cuff has a width of between 21 and 24 mm. The wrap around means that it can be adjusted in size to accomdate varying wrist/hand sizes. It can be gently eased open and squeezed close. Features Primary Material : gold and silver Other Materials : gold and oxide Inside Diameter (mm) : 65 One of a Kind : No Metal : gold and silver Hallmarked : Yes Cleaning InstructionsClean the silver areas only with cotton bud dipped in a silver clean solution. Rub the silver areas only then rinse in clean water and pat dry.