Titanium Medical ID Bracelet TB810 is a solid titanium, wide bracelet that has a combination of shiny and matte finish. It will never tarnish and is hypoallergenic . The center ID plate has sufficient room for engraving measuring 2 x 5/8" (5.0 x 1.6cm). The bracelet measures 8 1/2" (22cm) long and 5/8" (1.6cm) wide.