Sign plate for hanging over door knobs Hand write on door knob plate with dry erase marker Write, erase and reuse. PILOT Board Marker is an Amazon exclusive product. Double-sided design that can be used both inside and out. The original door sign shop character features an illustration on the door, which can be used as a door knob or as a message plate to hang on a desk or refrigerator. You can write freely and use it according to your purpose, such as writing the words "place" and where you want it to be placed. The shape is easy to hang and does not fall off. The plate itself is also resistant to water, so you can wash it with water or disinfect alcohol. Note: The color of the actual product may differ slightly from that of the product depending on your monitor settings or lighting in your room. Scrubbing with sharp objects may cause scratches. When storing board markers, please place it horizontally. ·If the written text does not fade, please wash it with water. If you leave it on for a long time, there may be cases where the pen is left behind. Use a dry erase marker if you use a pen other than that is included. (Do not write with permanent pens. )