Ideal for teaching and practicing fundamentals for use with magnetic manipulatives Bright white board contains 5 sets of blue headline and broken midline plus red baseline format Each line set measures 1 18 with 38 of blank descender space between sets Back side is magnetic plain white dry erase Boards feature a nonghosting dry erase surface with rounded corners and smooth edge3s for comfort and safety Backing is warp and chip resistant Set of 12 boards with 12 erasers and 12 black markers Features. Durable and sturdy design. Made from high quality material. Pack of 12Specifications. Color Red Blue. Size 9 x 12 in. Weight 9 lbs