This is for a very high quality Please use the other door sticker sign, which can be used windows, doors, walls and more. NOTE: This sign is produced in the highest quality vinyl, which lasts 5+ years outdoors and significantly longer indoors. Can be applied to any flat surface. Easy to follow instructions are included. Comes in white as standard at a size of 12 inches wide 9per sticker. Various colours available. Reverse option available for applying inside glass windows and doors (choose inside from the options). Very fast delivery.