Artcare Archival Foamboard was created especially for framing but has proven useful in a variety of other storage and exhibition endeavors as well. With the use of MicroChamber Technology, these boards outperform all other acid- free foamboards, removing any possible off-gassing from itself as well as atmospheric pollutants or by-products of deterioration. They are lightweight, cut easily, and have smooth mounting surfaces. Boards are available in white in either 1/8 or 3/16 thicknesses. Sold in packages of 5 sheets.