Great for temporary mounting of paper items such as posters, charts and decorations, Duck Brand Poster Putty is removable and reusable. It?s a safe, clean alternative to tape, nails, glues, tacks and staples?won't damage mounting surface and will not dry out. It is non-toxic and non-staining on most nonporous surfaces. This white putty holds up to 1 lb. and works with a variety of surfaces, but is not recommended for use on flocked or loose wallpaper and on peeling or fresh paint.