4-Ply (Single Thick) Museum Rag Mat Board
Mat Board in Sheets > Museum Rag 4-Ply & 8-Ply > 4-Ply Museum Rag
100% cotton, acid-free and lignin-free. Meets museum standards. Bleached white core. Fully archival. 4-ply (regular thickness). Full size sheets 32×40.
Note: 9 sheet minimum, any mix of 32″x40″ mat board or foam board more info
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