Lots of Polaris Ranger customers already have a hard roof and windshield, but after they've had the vehicle for a while they realize they want a full cab.These doors will work with any hard roof, any windshield, and any back panelNo other set of doors has this flexibilityMade of .75" diameter steel tubingCovered with heavy duty water and UV resistant fabric Tensioning straps keep the door frames tight and prevent flappingFits mid size Polaris Ranger