District Grain offers a large collection of canvas briefcases for men. We carry Duluth Pack, Industry Portage Co., Insubordinate Lads, and Korchmar canvas briefcases that can double as messenger bags. Get two bags in one with our canvas briefcases. Our best briefcases come in a variety of colored canvases and styles to match any personality. Most of our canvas briefcases come with a leather trim and are made in the USA and guaranteed for life.