Reusable Dry Erase Pockets help to improve students' skills. Anyone can easily practice math problems, letters, writing skills and more. Helps to protect the environment and save paper by eliminating the need to copy worksheets over and over again. Reusable super heavyweight pocket lasts a long time. Clean easily with soft dry cloth or tissue when used with a low-odor dry erase marker (not included). Convenient eyelet for hanging. Assorted primary colors.