Pre-Cut Foam Boards are perfect for smaller projects that don't need a full-size sheet. Smooth, bright-white surface features a slightly glossy finish that easily accepts markers, crayons, paints and adhesives. Lightweight, rigid boards cut easily with a utility knife or razor. They are perfect for mounting photographs/artwork, 3D modeling, small signs and scaled-down arts and crafts. Dense, polystyrene foam core is 3/16" thick.