Timbuk2, the world's largest postal bag brand, produces a variety of pre-made and made-to-order bags, based in San Francisco. The messenger bag is a backpack style that first became popular among bicycling messengers and delivery people and later evolved into an urban subculture, with Timbuk2 founder Rob Honeycutt as a postman. Timbuk2 is the originator of the postman bag. Its fashionable and simple style design, diversified color matching and durable materials make Timbuk2 very popular with young people. Over the years, the mailman bag has become a mainstream fashion accessory. Timbuk2's main product lines include: Classic Messenger Bag, Freestyle Messenger, d-lux Messenger, Snoop Camera Pack, Candybar, etc. Since 1989, Timbuk2's product line has gone beyond custom packages, but it has been designing and manufacturing all custom products in the San Francisco mission area, non-customized products were produced in China, Vietnam and Indonesia. In 2014, the company was named San Francisco's second largest manufacturer by the San Francisco business times.