HIGHLY VISIBLE WITH EXACT ANSWER: Whether you're trying to keep intruders out or invite visitors inside, this unique product will ensure that all who enter know exactly what to expect on the other side of the door. EASY TO USE: This do not disturb sign, welcome sign, in use sign has an easy glide shutter to display DO NOT DISTURB or WELCOME. Maximize the use of ALL responsible hands in your home or office with it. EASY TO INSTALL: This Home Office Sign Sticker default with Strong Magnet and 2 double-sided sticker tapes. DO NOT need to special tools or drilling to mount it. Works on stainless steel, wood cabinet doors etc. NON-SCRATCH SURFACE: The back of the strong magnet indicator is covered by soft silica to protect the room door or other appliances. No need to worry about unexpected scratch to your door. MULTI-APPLICATION: Personalize this sliding office sign for medical office signs, restroom occupied signs, doctor's offices, meeting rooms, hospital emergency rooms, personnel nameplates or whatever you need.