This adjustable Medical ID bracelet measures 8 inches in length and 13mm or 0.51 inches in width. Similar to the links of a watch, the bracelet can be adjusted in length and the ID plate can be engraved on either side. This Medical ID bracelet is made of titanium and manufactured to the highest standards. Special engraving request. Please contact firstname.lastname@example.org or toll free 866-437-2504. A representative will be more than happy to help.