DOT Snap Fastener Buttons are used for cloth-to-cloth and cloth-to-surface applications. Featuring an enameled cap, it is made from top-quality brass. The button mates to a socket (sold separately). The installed button and socket can then be snapped to a stud. For cloth-to-surface installations, use a stud with an integrated screw and for cloth-to-cloth applications use a stud in conjunction with an eyelet.