This listing is for a book caddy, it has a zipper compartment for pens, or other items you might want to carry along with you. It has a front slip pocket and then the main compartment that has a snap flap so that your book or tablet doesn’t fall out. It measures 11 inches tall by 8 1/2 inches wide and is lining with waterproof canvas to keep that book or tablet safe. The Dungeons and Dragons cover is to show you that you can place a book inside, it does not come with this sale.