C-Line Reusable Dry Erase Pocket measuring 9 x 12 inches is environmentally friendly and saves paper by preventing copying worksheets over and over. Heavyweight pocket is flexible and used practice math problems letters writing skills and more. Pocket easily cleans with soft dry cloth when used with dry erase markers. It is easy for students to use and comes in red green yellow blue and orange primary colors. Pocket is sold as 10 per pack.