Rear Door Bag with Knee Pad for Polaris RZR Black PRP SeatsDon't ignore your passengers! Protect their knees and add storage for them too with PRP Seats' Stock Rear Door Bag with Knee Pad. It provides convenient storage, that's easy to access even while your strapped down in your seat. Perfect for holding onto cell phones, water bottles, rags, goggles, and more. The Knee Pad in the front stop your knees from banging against the door when you bounce around in rough terrain. This bag attaches to the stock door