chip board to make custom hard covers, available in various sizes from Fastbind
Chip Board FAQs
I'm a complete amateur, who wants to create a hardcover book : r/bookbinding
Learn About the Different Types of Book Board Types, Thickness, Uses
How to cut book board by hand
Best Binders' Boards for Bookmaking –
Europe Particle Board Market Size & Share Analysis - Industry Research Report - Growth Trends
10 Tips for Measuring and Cutting Book Board
Panel principles: Particleboard
Binder Slipcase, 3 Inch Spine
White Hard Paper Book Binding Board, For Books
Plywood vs MDF vs Particle Board: Pros & Cons and Comparison
Chip on Board COB, Advanced Packaging
50 Pcs Book Board, Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover (White,12.5 x 10 Inch, 80 PT)
School Smart Vinyl Binder, Blue