Elmer's Quick Stik foam core board is perfect for mounting all kinds of artwork from lightweight layouts to heavyweight posters. Peel back the easy-release, protective liner to reveal the pressure-sensitive adhesive, position your artwork, and press. Features a high-tack adhesive specially formulated to mount heavy posters, large maps, architectural drawings, photographic papers, and more! 3/16" thick, packaged 25 sheets of foam board per box. Quality-made in the USA.