Vintage Shoulder Medic Bag (Brown, Plain) Heavy weight cotton canvas material Large main compartment with flap cover & leather closing straps Choose From Colors: Khaki, Black, Brown & Olive Drab. Dimensions For Bags: 12.5" x 11" x 3.5" The vintage bags are increasingly becoming an urban fashion icon. Ensures comfort to people carrying heavy and/or bulky items, while allowing easy access to the contents. Sometime referred to by cyclists as a messenger bag and or courier bag.