Crescent Cold Press Illustration Boards have a slightly textured surface, and are used primarily for illustration in a variety of media. Crescent No. 300 Illustration Board is a medium weight, professional grade board with high rag content and a medium surface. Each board is 16-ply and 0.055" (1.4 mm) thick. For a heavier professional cold press board, see Crescent No. 100 Cold Press Illustration Board.