PolyPlus Windscreen - 9' Our top seller is ideal for high wind areas.  It’s constructed of Leno Polypropylene with special reinforcing threads to resist tearing and spreading. Features ultraviolet inhibitors to prevent sun damage,  reinforced 4-ply hems and  grommets on all 4 sides at 12" intervals. 100% mildew proof.9' high includes center tie downs and center reinforcing tape.