Sterling Silver Width at widest point: 50 mm Width at shortest point: 25 mm Opening is approximately 25 mm Size XS/S fits wrists up to 16 cm Size M/L fits wrists up to 17 cm Need help with your size? Size guide Important to note: Every Silver RC Jewelry piece includes a small anti-tarnish polishing cloth. The cloth remains effective if not washed. Wash hands after use. Keep out of reach of children.