Bestop 90002-15 Black Denim Duster Deck Cover for 1987-1991 Wrangler with Factory Soft Top Bows Folded Down Covers rear seat/cargo area of vehicle to keep rain, hot sun and prying eyes out Collars seal around rear sport bars preventing any leakage underneath Utilizes Bestop BeltRail channel system for a tight, secure fit Compatible with Bestop Windjammers Premium soft top fabric for color-matched coordination with other accessories