Derwent Sketch Book, Graphik Inspire Me, 80 Pages of Bleed Proof Patterned Paper, Small (2302236) Sketch Book offers 80 pages of bleedproof marker paper, featuring printed patterns to inspire your illustrations, drawings and doodles. Dots, triangles, squares and hexagons (8 pages of each) are nestled within the book. Conforms to ASTM D4236