Saddleback Leather backs up their products with 100 year warranty. The Classic Briefcase converts to a backpack. Made of genuine hide leather with a pigskin lining, marine thread, high quality steel. Comes in 4 colors: Chestnut (Pictured), Carbon Black, Dark Coffee Brown, and Tobacco Brown. 14″ Medium will fit a 13″ Macbook Pro. 16″ Large will fit a 17″ laptop. Saddleback also makes an 18″ Extra Large.
Source: Saddleback Leather