Application:The Button Switch Protector Use for Round Push Button Switch. They are specially designed for push button switches, preventing unauthorized use of emergency buttons, switches, etc. by people during maintenance or repairs.Description:Made of strong plastic, dust-proof, waterproof and anti-corrosion, durable to ensure maximum protection of emergency buttons and switches, preventing collision and wrong operation.These Switch Box Cover Protectors are great for you to protect your push button switch.Clear cover design is easy and convenient to use.Easy to install, the transparent cover can be easily opened and closed.