This Eyeglass Pin is made of metal and enamel and features butterfly clasps on the back. It can be fastened on the collar of a Lab coat, Scrub, hat, cap, and backpack etc. Doctors, Nurses, and Medical students appreciate the attention to detail of our Eyeglass Pin. This Beautifully crafted Pin from Scrubs and Clogs is great to show your specialty in the medical field while spreading an educative vibe! Can also be as a wonderful gift for you and your friends. Height approx. 3.5 cm(1.5 inch) Due to differences in computer monitors, printed colors may differ slightly to those shown on screen.