Click-Fold Convex Badges are easy to use. Simply click open hinged top, insert badge or business card, and snap shut. Click-Fold name badges work with printable inserts as well as business cards. Strap clip has a rotating metal clip to easily attach to pockets, purses and belts. Microperforated, printable inserts are sold separately, and Badgemaker formatting software is available free online. Click-Fold Convex Badges are made of durable polypropylene for long life.