100% Polyester Imported Elastic at seat seam in conjunction with seat pleat help hold seat area in place Elastic at the base of the furniture cover allows the cover to stay snug to the base of your furniture The elastic is free-floating inside the hem of the cover to allow you to adjust fullness around the perimeter of your furniture Designed to fit furniture with square or box cushions The arm front relaxed at 8will cover narrow arms - but will extend or stretch to cover up to 14Arm widths Fits wing chairs 44" to 54" width - Back height range from 34" to 45" and seat width at T cushion ranges from 26" to 32"