Our Signs ByLITA Fancy Kitchen Rules If it Smells Throw it away If it Is Dirty Wash It Sign can be attached to the door, wall or window of your home or business. The sign text and design work is laser engraved into sturdy plastic. Each sign comes with an adhesive foam backing, allowing them to be attached to any flat surface. Comes in multiple colors. Our kitchen signs are great for your home, business or property.