This Sunbrella tarp is manufactured to the same rugged standards of our shade and heavy duty vinyl tarps. Sunbrella is a breathable fabric that is the standard in the boating industry. Sunbrella is not waterproof but has excellent water repellency. Northwest Tarp Canvas is proud to offer these Sunbrella tarps manufactured with the same Sunbrella boat canvas fabric found on most boat canvas tops. Sunbrella Tarp - Genuine Sunbrella Acrylic Fabric 6008 3' X 4' Feet w/ Polypropylene Webbing Reinforced Edges 9/16" Nickel Plated Spur Grommets Placed on Corners Every 16" Inches 9 Year Warranty on Sunbrella Fabric Marine Grade Sunbrella Boat Top Awning Fabric We Ship Internationally! Northwest Tarp Canvas Take a Look Our Quality Tarps! Have a Nice Day!