Polyester Classic Rocking Chair Cushions With Ties, Seat 21" front/17" back x 19" x 2&frac12;"; Back 16" x 20" x 2&frac12;", in Zinnia Outdoor, all-weather rocking chair cushions with ties, Seat 21" front/17" back x 19" x 2"; Back 16" x 20" x 2" Durable, affordable polyester fabric lets you update seasonally Polyester rocking chair cushions are weather-resistant and UV-protected to reduce fading Versatile knife-edge rocking chair cushions add comfort, color and style without bulk Style: Zinnia