This easy-to-install canvas rear panel provides dependable rear protection and outstanding value. It seals into place and stores easily when removed.Premium, heavy duty, mold-resistant 23 oz. polyester with UV stabilizers. Durable, heat-sealed PVC window for durability and crack resistance 360° gasket design with heavy duty cinch-tight buckles for a snug, secure fit. Panel installs easily into integrated mounting locations. Easily removed and stored for greater ventilation.