Polyester 2-PIECE SET: this set includes two 42 L x 21 W inch outdoor chair cushions HEAVY-DUTY POLYESTER FABRIC: Cushions are covered in a heavy-duty outdoor polyester fabric that is water, stain, and fade resistant PLUSH SUPPORT: Cushions are generously filled with a soft polyfiber made from 100% recycled, post-consumer plastic bottles for lasting comfort ADDED FEATURES: Sewn circle tack construction prevents cushion fill from shifting and bunching, while string ties keep cushion firmly attached to furniture For best results, and to extend the life of your cushion store covered when not in use