Pro Art Organizer Messenger Art Supply Bag 19 x 15 x 2.75 - Black carry all nylon bag with 13 pockets and compartments. Includes 4 zippered pockets plus smaller organizing compartments under the front flap. Use to hold USB thumb drives or other critical items. Comes with a removable shoulder strap and is expandable up to 6 wide. Holds up to a 14 x 17 pad of paper.