Mead Acad&eacute;mie Casemade Twinwire Sketchbook, 70 Sheets, Heavyweight, 11 x 8.5 Inch Sheet Size (54076) Sketchbook contains heavyweight drawing paper to use with a variety of dry art mediums. Twinwire binding secures your art in the book. 70 sheets, 11 in. x 8.5 in. Durable casemade covers protect your artwork and offer a hard surface to draw on. White sketch paper is archival quality. Acid-free, lignin-free and fade-resistant to keep your sketches looking their best.