Board contains 5 sets of blue headline and broken midline plus red baseline format. Each line set measures 1 1/8" with 3/8" of blank descender space between sets. Back side is plain white dry erase. Board features a high-quality, non-ghosting write-and-wipe surface. Rounded corners and smooth edges for safety and comfort. Hardboard backing will not warp or chip. Board measures 12" x 9" x 0.125" thick. Set of 12.