4''x4'' screen door decals prevent collisions into screen doors from people, pets, birds High power adhesive & flexible material allows decals to adhere to screen doors To install decals, simply peel, stick, and squeeze between hardcover books to maximize adhesion Design is only printed on one side, but decals can be placed on both sides of screen Perfect for all screen doors! These beautiful bird decals will keep you from walking through your screen door. They work on Phantom Screens, Wizard Screens, Clearview Screens or any other retractable or non-retractable screen! Decals are not double sided, but you can place them on either side of the screen. Get your decals today!