600D polyester:CPAI-84 fire certification, 99% UV protection and UPF50+ rated and water resistance. * Horizontal velcro on valance,It is easy for you to fix sidewalls. * Metal D ring on corner,It is strong and nice and it is easy for you to fix a guy rope * Velcro fix to frame,Easy and strong way to fix the cover to the frame.Double line sewing,Strong and water resistance * 10" x 20" Replacement cover packed in one carton,Carton dimention:11.8"x 12.6"x 2" Weight:2.5LBS