From the Dr. Seuss Cat in the Hat Bedding Collection. Dr. Seuss Cat in The Hat Messenger Bag. This Cat in The Hat Nylon messenger bag features a black body with red lining. The embroidery in the lower left corner of the front flap features a fun peek-a-boo Cat in the Hat. The outside of the bag has two side bottle pockets and one wide hook-and-loop material closure pocket on the back. Inside are two additional pockets that will keep all your travel necessities organized. Magnetic closure keeps inside contents secure. Includes a removable, coordinating changing pad and transparent dirty duds zippered pouch. Bag measures approximately 14" x 11" x 4" with 28"- 48" adjustable strap, changing pad measures 24" x 14", and dirty duds pouch measures 10" x 8".