2Pack Door Hanger: You will receive 2 styles "working hard do not disturb" acrylic notice door Hanger signs to prevent unwanted or unauthorized visitors to interrupt you. Film Prevents Scratches: 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: It's dimension is 9.5x3.5 inches, 0.2 inches thick, Contour cut material hangs quickly and easily over your doorknob, which fits different door handles. Quality Materials: It is made of high-quality Acrylic material with waterproof printing, which is very clear. The thickness is also very suitable, and it is not easy to deform or break. Use Widely: This sign is usually placed in many places, such as offices, hospitals, schools, home treatment, psychological counseling.