Ideal for temporary mounting of paper items such as posters, graphics and decorations, Duck Brand Poster Putty is removable and reusable. It is a safe and clean alternative to tape, nails, glues, tacks and staples that will not damage the mounting surface and will not dry out. It is non-toxic and does not stain on most non-porous surfaces. This white putty holds up to 1 pound. and works with a variety of surfaces. Poster putty is ideal for use at home or apartment, dorms, classrooms and even the office, where you don't want to leave a mark while showing off your style and personality.