•Versatile Compatibility: Designed to fit a wide range of pins, our pin backings are suitable for enamel pins, brooch pins, lapel pins, hat pins,and more. Their universal design ensures a snug fit on any pin post, allowing you to enjoy your collection without the worry of losing your pins due to loose backs.These pin backs can be used as name tag pin backs,pins for backpacks,brooch pin backs,badge pin holder,pin backs for enamel pins,and more.