RaceQuip Ribbon Window Nets are constructed of heavy-duty 1" polypropylene webbing and nylon thread for maximum durability. Jig-built construction techniques ensure consistent size, shape, and fit. Available in black, red, blue, yellow, orange, purple, platinum, and green. Our standard size is 18"x24" which will fit most window openings. Seven specialty size nets are available as well. All exceed SFI 27.1 specifications.