Elmer's Quick Stik white 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. Foam core features a high-tack adhesive specially formulated to mount heavy posters, large maps, architectural drawings, photographic papers, and more! 3/16" thick. Pack of 25 32" x 40" sheets. Elmer's Quick Stik white foam boards are quality-made in the USA. FREE GROUND SHIPPING TO 48 LOWER US STATES.