Poster strips for hanging posters, calendars and other lightweight objects securely and damage-free. They hold strongly and remove cleanly using 3M stretch-release technology. Strips stretch off cleanly without leaving holes, marks or sticky residue. 4 strips hold one poster in place. Suitable for most smooth surfaces including painted walls, tiles, metal and wood. Do not use on wallpapers, vinyl surfaces, or other delicate or weak surfaces. Not suitable for humid environments.