This model's fabric has been "heat-set", guaranteed a billow-free, ripple-free windscreen. Stability and opacity are the hallmarks of COURTMASTER Classic. 100% polypropylene Tensile strength: Warp 360 lbs. Fill 190 lbs. 9' Height 5.6 oz / Sq. yd. 4-YEAR WARRANTY (against defects in fabric and manufacturing, pro-rated) Please note: Cost is calculated per square foot. Courtmaster Tennis Equipment 112-103-9'