EASY TO USE: This green sign, red sign, in use sign has easy glides shutter to display OCCUPIED or VACANT Maximize the use of ALL responsible hands in your home or with it : This Home Sign Sticker DO NOT need to special tools or drilling to mount it Works on stainless steel, wood cabinet doors and so on NONe SCRATCH: door indicators none scratch to protect room door or other appliances Not need to worry about unexpected scratch to your door MULTI-APPLICATION: Personalize this sliding sign for medical signs, restroom occupied signs, doctor ' s offices, meeting rooms, hospital emergencies rooms, personnel nameplates or whatever you need HIGHLY VISIBLE WITH EXACT ANSWER: Whether you ' re trying to keep intruders out or invite visitors inside, this unique product will ensures that all who enter know exactly what to expect on other side of the door