National 43-460 XTREME White Composition Book, Wide Ruling, 80 Sheets, 10 x 7-7/8". 80 sheets per book with blue wide ruling and red margin line. Red margin line is 1-1/8" from edge. 30 blue lines per page with a wide 5/16" line spacing. Xtreme white paper is 97 brightness. Center sewn binding for durability.