Bestop 80039-35 Black Diamond Windjammer Wind Break for 2007-2018 Wrangler JK Unlimited Helps divert most wind, rain and dust from entering the vehicle from the rear Windjammer installation leaves about an-Inch of open space around sport bars 30-mil vinyl window for rear visibility, plus pass-through doggie-door between seats more tools Premium fabric in matching factory colors is UV-resistant for color stability Requires Duster 90031-35 or both Duster 90031-35 and Duster Extension 90034-35