Lineco Cotton Rag Museum Mounting Boards are 4-ply matboards made from 100% cotton fibers, with solid color throughout. Every board is acid-free, lignin-free, and buffered with 3% calcium carbonate. These affordable, high-quality boards don't compromise on quality. - Lineco Cotton Rag Museum Mounting Boards - Pkg of 25, Black, 8" x 10"Museum Mounting Boards, BLK 25PK 8X10IN -

Black. Lineco Cotton Rag Museum Mounting Boards - Pkg of 25, Black, 8" x 10".

Date First Available: February 11, 2019. Manufacturer: Lineco. Item Weight: 3.06 pounds. Best Sellers Rank: #1,007,537 in Office Products. : B07NLGQFB2. Product Dimensions: 10 x 8 x 1.6 inches.