Slider Design -- Our door signs feature a sliding design. If you want to change the wording of the sign, just gently slide the slider and you can easily set it up, making it easy to inform others about the status of the room Easy and Fast -- Installation of our usage signs is very simple. You simply apply double sided tape or glue to the back and place it where you want it to be installed. No drilling required and no damage to doors or walls Simple Design -- Our door signs have a very simple design. It has a wooden looking shape that nicely recreates the grain and color of the wood material. It is simple, stylish and casual and can also be used as a decoration on the door Package Included -- You will receive 2 pcs acrylic slide signs. Size is about 5.5cm/2.17 inch wide, 19.5cm/7.56 inch long, 4mm/0.16 inch thick. Please check the size to see if it fits your needs before ordering Wide Range of Uses -- Our door signs are perfect for any public place door or any office space that may need a sign, including small and large businesses, privacy studios, public service buildings, surgeries and clinics. This door sign can be used to quickly show the status of a room by sliding the tab to In USE or AVALIABLE