Sticky Putty Re-useable Poster Putty 3-ounce Package (3-3-ounce Packs) Trademarked, "The Duct Tape of Tak", is a statement we stand confidently stand by! Sticking Stuff to Surfaces for 25 years. Great for hanging posters Adheres paper and small objects to most materials and surfaces including wood, tile, glass, metal, plaster, plastic, porcelain, cinderblock and more Excellent Poster Putty