They have taken the most popular colors of their 100% cotton rag mat board and made it available at the low price imaginable. And they didn't skimp on quality. This board is made with 100% cotton fibers, with solid color throughout. The 4 ply construction is buffered with 3% calcium carbonate and is acid-free and lignin-free - everything you want in a mat board.
Lineco 707 Specs
Mat x 25
11x14 in (27.9x35.6 cm)
Acid free, buffered with 3% calcium carbonate, lignin-free