Reusable Dry Erase Pockets (in primary colors) help to improve students' skills. Anyone can easily practice math problems, letters, writing skills and more. Helps to save paper, time, and money by eliminating copying worksheets over and over again. These reusable super heavyweight pockets last a long time and include a 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).