Protect your expensive investment from the ravages of Mother Nature with our waterproof outdoor furniture covers. These lightweight polyester covers are crafted much like high-quality car covers. They're impervious to sun, rain, and snow, and won't crack or turn brittle in cold temperatures. Fully fitted with elastic leg loops and hems, these waterproof outdoor furniture covers even feature built-in vents to reduce condensation buildup and lifting during high winds. Polyester. Imported.