Ideal for temporary mounting of paper items such as posters, charts and decorations, Duck Brand Poster Putty is removable and reusable. It is a safe and clean alternative to tape, nails, glue, tacks and staples that will not damage the mounting surface and will not dry out. It is non-toxic and will not stain on most non-porous surfaces. This white putty supports up to 1 lb. and works with a variety of surfaces. Poster Putty is great for around the house or apartment, bedrooms, classrooms, and even the office, anywhere you dont want to leave a mark while showing off your style and personality.