This 8 inch sterling silver engraveable medical ID alert curb style bracelet is very nice. It is very detailed and has a medical cadecous in the center. The back is engraveable. The curb chain is 4 mm wide and the engraveable center is 2.0 cm long and 14 mm wide and weighs about 10grams ! Engaving takes up to 5 business days. Please email me with instructions.