Constructed from 1-ply corrugated fiberboard with overlapping side panels that make transporting the board easy. The smooth bright color surface has a slightly glossy finish that easily accepts markers crayons paints and adhesives. Back of each board is brown kraft. Measures 36 high x 48 wide overall?side panels measure 36 high x 12.75 wide and the center panel measures 36 high x 22.5 wide. Color assortment includes 6 each green yellow red blue.