Railroad board is great for construction, art projects, mats, mount"g, block pr"t"g, pa"t"g, markers, stencil"g, posters, and works well for anchor charts. Brilliantly colored on both sides with a smooth uniform f"ish. Recycled and recyclable. Measures 22" x 28". "cludes 100 sheets, 10 sheets each of Dark Blue, Holiday Green, P"k, Brown, Magenta, Lemon Yellow, Red, Orange, Black and Light Blue.