Charles Leonard Reusable Clear Dry Erase Pockets Class Combo Pack, Includes 10 Each of Pockets/Markers/Cloth Erasers (29130) Class pack has everything you need, 10 each of durable dry erase pockets, markers and multi-purpose cloths Save paper and money by reusing the same sheets over and over; holds insert sheets up to 9" X 12" Dry erase markers are pocket-style with bullet-tip; AP certified, conforms to ASTM D-4236 Multi-purpose cloth erasers can be machine washed