TB910 Black Plated Steel Medical Id Bracelet a 16 mm identification bracelet has a total length of 8 1/2" (22 cm). The engraveable ID Tag measures 2 x 5/8" (5.0 x 1.6 cm). The buckle is a single channel solid link foldover. Bracelets are supplied in a black bracelet box with white pad, supplied in a sleeve, labeled with part number and suggested retail price indicated.