Rain covers that stay put without stakes or sandbags. Steel chain in edge hem all around keeps wind from getting under, so these tarps stay down even in high winds. Field proven to 65 mph. Industrial 14 oz vinyl-polyester fabric with UV and mildew inhibitors. Other colors available for an additional cost of 20% are Black, Maroon, Navy, Red, Royal Orange, Tan, White and Yellow. Please call for custom color orders.