Description It is sturdy, not easy to break, made of excellent material. Clearly indicate whether the room is open or closed in green and red, allowing you to better understand the state of the room. The generous and simple design will ensure its practicability and popularity. Features -Material: Acrylic -Size: About 10.00X4.00X0.80cm/3.93X1.57X0.31in. - Suitable for offices, shopping malls, conference rooms, administrative offices, and will be your good choice for identification. - This is a very good office status sign doorplate, not easy to fade, safe and practical. - It is made with good craftsmanship, has a reasonable design and durable quality, and is very practical. - Highly visible with the exact answer, stop guessing and no more questions to the room status. - Very sticky, once you put it on the door, it will rarely come off and can stick it the door a for a long while. Suitable for offices, shopping malls, conference rooms, administrative offices, and will be your good choice for identification. This is a very good office status sign doorplate, not easy to fade, safe and practical. It is made with good craftsmanship, has a reasonable design and durable quality, and is very practical. Highly visible with the exact answer, stop guessing and no more questions to the room status. Very sticky, once you put it on the door, it will rarely come off and can stick it the door a for a long while.