Strathwood Gibranta Hardwood Arm Chair Polyester Cushion, Solid Black Seat cushion with high-performance outdoor fabric fits Strathwood Gibranta Hardwood Arm Chair, or similar 100-percent-polyester cover; resists stains and fading in sunlight Fabric same on both sides for reversibility; made in the USA of imported materials Gently spot clean with mild soap and cool water, then air dry Measures 18-1/2 inches deep by 20 inches wide by 3 inches thick