End Pieces: 20' x 18' with 6 Ft Drop, 6' x 8' Tail and 8"" Rain Flaps; Fabric: Made with Heavy Duty 18 Oz. Vinyl Seams: Heat-sealed seams, Stitched Webbing and Box Stitched D-Rings Hems: All hems reinforced with 2"" webbing and double stitched for extra...