Standard Bleacher Covers 10'H x 18' x 27 Perfect for providing safety and comfort by protecting spectators from foul balls and excessive sunlight. Our Bleacher Covers are available in five colors and many designs to meet your needs. All units feature durable black powder-coated steel posts designed for permanent installation and exclusive Shadsure® cloth covering to block over 90% of harmful UV rays. Professional installation recommended. All structures have a 90 MPH windload rating and 5 lb. snowload rating (call for details on higher ratings). California public schools must call for DSA information.  Please allow 6 to 8 weeks for delivery. All covers carry a 10 year limited warranty with the exception of Red cover which carries a 3 year limited warranty.