Getting enough supplies for your classroom is hard enough as it is, but with the 7Penn Small White Dry Erase Board Set of 25 with Erasers, you won’t have to constantly purchase notebooks, construction paper, pencils, and more. These reusable mini white board dry erase feature a blank side for solving math problems or drawing and a ruled (lined) side for spelling quiz games or practicing handwriting. Our 9 x 12in (22.9 x 30.5cm) lap white boards for students can be used on the tabletop at their desks or in their laps on the floor to easily adapt to any lesson. Our lined white boards for students come in a pack of 25, each with their own eraser so there is one for each student (dry erase markers not included). Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.