Pillow Perfect Indoor/Outdoor Squared Corners Seat Cushion with Sunbrella Canvas Fabric, Set of 2, 18.5 in. L X 16 in. W X 3 in. D, Black Includes two (2) outdoor seat cushions, resists weather and fading in sunlight; Suitable for indoor and outdoor use New and improved 100-percent polyester fiber filling offers an even cushier feel with greater durability Attached ties keep outdoor cushion securely fastened to your outdoor patio furniture Easy Care - lightly spot clean or hand wash outdoor cushion fabric with mild detergent and cool water; then let air dry Measures: 18.5-inch length X 16-inch width X 3-inch depth (measurements may vary up to 1-inch since item is handcrafted)