This 12-pocket Literature Holder and Organizer is made of a durable plastic construction. The units are stackable up to 72 compartments high to fit your every need! Use this organizer for a multitude of things - for students to turn in homework, to divide papers for each subject, to divide assignments and more! Use the included tags to help in the organization process. These Literature Holders come in Grey and Black. The overall dimensions are 31-3/8"W x 14-1/8"D x 10-1/2"H.