Nani?Wear Doctor Police Box Sign Classic Who Small Geek Messenger Bag Black 100% Cotton Canvas Body / Interchangeable 100% polyester front flap attaches by snaps in the back The messenger bag measures 7.3" in length, x 2" in width and is 8" in height (18.5cm x 5.8cm x 20.32cm). Interchangeable front flap attaches by snaps in the back Artwork is dye sublimated, which means the ink becomes part of the fabric so that the artwork doesn't fade or wash out Washing instructions: recommend spot washing the front flap with dish soap or laundry soap. DO NOT submerge in water, as bag is 100% cotton canvas, and could shrink.