The ARDEN Outdoor Dining Chair Pillow Back is the best way to add comfort and style to any outdoor dining chair. This pillow back measures 23" W x 17" H x 5" thick and offers support and comfort to you patio dining chairs. Mix and match your pillow backs with your chair cushions to create your own unique look! Our EverTru® Printed Polyester outdoor fabric is fade resistant and offers easy cleaning with just soap and water. We use 100% polyester fill inside our outdoor pillows to help retain shape and maintain long- support during outdoor use. This outdoor pillow is UV treated and is intended for use on your patio or deck; however, we recommend bringing it indoors when it rains or when not in use to preserve its lifespan and keep it looking beautiful.