The KOVOT Dry Erase Pockets are a great way to assist any students with their letters, writing skills, or math problems. Just insert any standard 8.5" x 11" paper into the pocket and use a dry dry erase market to write and wipe over and over. This set of 10 multicolored reusable pockets are super heavyweight and made to last a long time. Easy clean them with a soft dry cloth or tissue. They also have a convenient eyelet for hanging on hooks. Each pocket measures at 9" x 12" and fits paper inserts up to 8.5" x 11". Buy More, Pay Less! Available in 10 Pack or 20 Pack.