High-quality, professional 30" x 40" Alvin Draft-Art illustration boards with super WHITE surface. Cold Press features a medium tooth surface that's ideal for both wet and dry media, including watercolor, pencil, and charcoal. Comparable to Bainbridge #80. Surfaces on all illustration boards are securely mounted to warp-resistant chipboard with smooth, GRAY reverse sides. 0.55 pt thickness. PACK OF 25. Alvin Draft-Art cold press illustration board is quality-made in the USA. FREE GROUND SHIPPING TO 48 LOWER US STATES.