Merchant & Mills Costermonger Bag is an essential tote for those on the go! An unlined tote with straps that convert into a backpack, the Costermonger is an ideal project bag or market tote. Use Dry Oilskin for an all-weather option or choose your favorite mid- to heavy-weight canvas or denim. A Costermonger Hardware Kit makes things easy and is available here and in the product below. And for info about materials, please click Product Details above!