The Pro Armor Stock Door bag designed to protect your knees from hitting the door and give you additional storage while out on your ride. These door bags are simple to install on your stock door and also work with the Pro Armor Stealth Doors as well. These use the existing hardware that is currently on your door and will take just minutes to install. They are designed to fit on a two seater or the front door of a four seater. Sold in pairs.