Inexpensive and highly durable, these hinged covers live up to their name and can be used in a wide range of applications. Bopper Stopper® can take hard knocks in stride while protecting digital keypads, electrical outlets, smaller-size pull stations, biometrics, volume or lighting controls and push buttons to name just a few. The covers and hinges are molded of super tough polycarbonate material. Bopper Stoppers® come complete with installation screws and gasket.