Bangles by Sarah Packington 10mm wide bangle made from clear acrylic with a coloured edge. 75mm inside diameter. Features Primary Material : acrylic Inside Diameter (mm) : 75 One of a Kind : No Hallmarked : No Cleaning InstructionsAvoid spraying with perfume, hairspray, or any alcohol based products.Clean with mild detergent and a soft cloth, or rub very gently with a 'silver cloth'.