C-Line"s reusable super heavyweight pockets save paper, time, and money by eliminating copying worksheets over and over again. Simply insert a worksheet, and use the included dry erase crayons to write on the pocket. When the lesson is completed, easily wipe off the pocket and use again. Pockets also work with low-odor dry erase markers (not included). Kit includes two 9 x 12 inch dry erase pockets (red and blue), set of four dry erase crayons (red, blue, green and black) and 10 pre-printed education templates. Included templates help develop handwriting, numbers and counting, drawing, time-telling skills and more. With over 60 years of experience, C-Line"s many product offerings include sheet protectors, name badges and holders, shop ticket holders, media storage products, laminating film, report covers and project folders, photo holders, Memory Book page protectors, office accessories, transparency film and more.