Wide Application: This doorbell sign is suitable for your home or for business, hotel reception, office reception, doctors reception, hospital reception, dentist reception, school reception, locked premises, intercoms or factory entrances. Material: This information sign with1.6mm thickness is made of acrylic and ABS, which is sturdy and for long-term use. Easy Care: The please ring bell sign is waterproof and easy to clean with a wet cloth. With its size approx. 6x6 cm/2.36x2.36 inch, it is suitable to be stuck on the door and wall. Universal: The wall plaque is engraved with a universal that a hand and a round dot. This sign is ideal for informing customers, guests, clients, patients that they have to ring the bell for attention. Easy To Install: The wall plaque can be stuck on most surfaces with glue. You also can remove it and stick it on other place.