2Pack Door Hander: You will receive 2 different acrylic notice door hanger signs in one set. One is Do Not Disturb, and the other is Welcome Please Knock. You can use different signs according to different scenarios. With anti scratch: Their surface is covered with film. Tear off the film and you will receive 2 pieces of clear scratch-free acrylic notice door hanger sign. Easy to use: Its dimension is 9.5x3.5 inches, 0.2 inches thick, which fits different door handles, They have sturdy hooks. It's easy to hang on the door and remove. High-quality Materials: It is made of high-quality Acrylic material with waterproof printing. Fonts are clear, not blurred and easier to read. The thickness is also very suitable, and it is not easy to deform or break. Wide Usage:Wide Usage: It can be used at home, office, schools, business, conference room. No matter where you work or you are busy, you can hang this sign on your doorknob.