Lineco Acid-Free Binder's Board

Heavy gray cardboard for making hardbound books. Ready to cut with sharp utility knife or paper trimmer. Package of four 15" x 20.5" (38 cm x 52 cm) sheets.
Use this heavy gray cardboard for making hardbound books Its ready to cut with a sharp utility knife or paper trimmer Each package contains 4 sheets measuring 15 205 (38cm52cm)

Lineco, Gray Binder Board 14.5 x 20.5 Inch, 0.08 Thickness, Neutral pH Board for Bookbinding, Pack of 4

Books by Hand PH Neutral Binders Board 15x20.5 Pack of 4

Six Lessons That Bookmaking Teaches You – Judy Nolan

Lineco Book Binders Board is strong and acid-free making it perfect for constructing book covers, boxes and slipcases. Made from a dense single ply board - this binders board is made to provide stability while resisting warping and keeping corners and edges pristine. Grey/Tan in color each board measures 14.5 by 20.5 inches with a thickness of .079 inch and comes in a pack of four.

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Lineco, Gray Binder Board 14.5 x 20.5 Inch, 0.08 Thickness, Neutral pH Board for Bookbinding, Pack of 4