Prestige Studio Art Portfolios are made of durable, heavy-duty black polypropylene with stitched cloth edges. Molded plastic handles are riveted in four places for strength. Inside, you'll find a 6" x 17 3/4" zippered pouch for carrying smaller items, as well as an ID/business card pocket and a full-width pocket for keeping artwork and important papers handy. An inner elastic cross strapholds artwork securely. 1 1/2" gusset. Largest two sizes have an extra side handle for carrying ease.