Archival Methods 5 x 7" 4-Ply Cotton Museum Board Pack (Polar White)

The Archival Methods 5 x 7" 4-Ply Cotton Museum Board Pack (Polar White) consists of 25 boards that can be used for mounting, matting, and preservation of precious documents, fine prints, and traditional and digital photography. When used for window mats and mat backing for small prints, the 4-ply thickness provides a 1/16" (0.158 cm) separation between artwork and glazing, thus providing a flat and sturdy support.