Reusable Dry Erase Pockets help to improve students’ skills. Anyone can easily practice math problems, letters, writing skills and more. Save paper by eliminating the need to copy worksheets over and over again. Reusable super heavyweight pocket lasts a long time. Convenient eyelet for hanging. Easily clean with a soft dry cloth or tissue when used with a low-odor dry erase marker or dry erase crayon (not included). This product will be cheerfully replaced with one of equal value if defective in materials, manufacturing or packaging at the time of purchase. Except for such replacement, this product is sold without warranty or liability even though defect, damage or loss is caused by negligence or other fault.