Railroad board is great for construction, art projects, mats, mounting, block printing, painting, markers, stenciling and posters. Brilliantly colored on both sides with a smooth uniform finish. Recycled and recyclable. Assortments include 5 colors: Dark Blue, Holiday Green, Lemon Yellow, Red and Orange. 25-sheet assortment contains 5 of each color. 100-sheet assortment contains 20 of each color. 22" x 28".