Spun Polyester Outdoor/Indoor BOXED STYLE SEAT CUSHION by Comfort Classics Inc. Renew your outdoor patio furniture with a new Spun Polyester SEAT CUSHION the dimensions of this seat cushion is 19W x 17Dx 2H. Comfort Classics Inc. has over 50 years of experience in the outdoor cushion industry. We take pride in our cushions and customer satisfaction is our No.1 priority. Spun Polyester Fabric is one of the durable fabrics for outdoor use. All Of our cushions are made with Quick Dry Comfort Technology which makes your cushions Dry Rapidly Spun Polyester made with U.V. inhibitors and resists stains and fading in sunlight. This product is easy to maintain with a mild soap and warm water.