Pavement Ends by Bestop 41805-15 Black Denim Cargo Cover for 1986-1991 Wrangler YJ Like a tonneau cover, fits into BeltRail attachment channel around rear body tub for a tight, secure fit Helps reduce wind turbulence in the rear cargo area, keep out dust and debris Helps conceal gear or other valuables sitting on the rear cargo area floor Collars wrap around rear sport bars for better fit and seal Manufactured with durable automotive grade vinyl with UV resistance to prevent sun fade