Box edge Rectangular Outdoor Chair Cushion, 4"Hx20"Wx17.5"D, HADIA GOLDMINE POLYESTER 4"H. Choose from multiple size options. 21"W x 23"D size does not include ties. Our No Hassle Return policy gives you peace of mind to enjoy the purchase in your home for up to 45 days. This item qualifies for free-shipping on Amazon.com! Free Shipping promotion ends April 4th!