20 Pcs Book Board, Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover (Gray, 12

Proper Size for Using: the book board is approx. 30.5 cm/ 12 inches in length, 30.5 cm/ 12 inches in width, 2.2 mm/ 0.086 inches in thickness,

20 Pcs Book Board, Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover (Black, 12 x 12 Inch 80PT)

20 Pcs Book Board, 80 Pt 0.086'' Thick Binders Board Chipboard Designer Bookboard Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Materials Cover (8.5 x 11 Inches)

Bookbinding: Make a Coptic Stitch Book, Caleb Sylvest

20 Pcs Book Board, Binders Board Chipboard Designer

30 Sheets 8.5 x 11 Chipboard Sheets 70 Point Chip

Mega Format Cardboard Sheets, Chipboard Sheets, Chip

20 Pcs Book Board, Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover (Gray, 12 x 12 Inch 80PT)

20 Pcs Book Board, 80 Pt 0.086'' Thick Binders Board Chipboard Designer Bookboard Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Materials Cover (8.5 x 11 Inches)

20 Pcs Book Board, Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover (White, 11 x 8.5 Inch 22PT)