Brilliantly colored on both sides. Great for art projects, mats, mounting, block printing, painting, markers, stenciling and posters. Smooth finish on front and back. Rigid 17-pt. board. Art Board Type: Railroad; Material(s): N/A; Color(s): Black; Brown; Dark Blue; Emerald Green; Lemon Yellow; Magenta; Orange; Red; Royal Blue; Assortment: N/A.