Take a vacation in your own backyard with the Mainstays Outdoor Dining Chair Cushion. It is the perfect addition to any outdoor dining or stacking chair. The cushion has a simple and clean silhouette and measures 19.5 in. wide x 37 in. in total length (17" for the seat and 20" for the seat back) x 3.5 in. high. It includes 2 sets of ties, to ensure the cushion stays fastened to your chair. The durable, weather-resistant polyester fabric ensures vibrant colors through the season and offers easy cleaning with just soap and water.. Inside this outdoor cushion is patented 100% everLuxe polyester fiber fill to help it retain shape and provide long-lasting comfort during outdoor use. Fibers within are oriented in a vertical position, which provides structure and spring in replacement outdoor cushions. Fibers within are oriented in a vertical position, which provides structure and spring in replacement outdoor cushions. This attractive Mainstays cushion will make a great addition to your outdoor furniture set, with style and comfort that will last!