RaceQuip mesh window nets include adjustable mount straps and are SFI 27.1 rated. Constructed using a heavy-duty polypropylene mesh with nylon thread, these auto racing roll cage nets offer maximum durability and are available in three sizes. RaceQuip mesh window nets feature heavy-duty 2 in. wide, extra-long bottom straps that allow you to mount the bottom of the net directly to a door bar without the need for a lower window net mount kit.