Finally a solution to prevent collisions into screen doors! Decals are 4'' x 4'' Works with Retractable and Standard Screens To install, simply peel decal from backing, stick onto screen, and squeeze it between two hardcover books to maximize adhesion Stop walking into your screen door! Our hummingbird decals feature the cute silhouette of a hummingbird. Screen Door Decals are designed to work with roll screens, retractable screens and standard screens. These decals work on any brand of retractable screen door. They work on Phantom Screens, ClearView Screens, Wizard Screens or any other brand of disappearing screen you may own. They won’t be damaged as the retractable screen rolls. Screen Door Decals are made with UV resistant materials that are made to last indoors or outdoors.