"This 1-piece outdoor seat cushion instantly softens your patio dining chair. It's filled with fiber-wrapped foam for extra padding and support, and it's wrapped in a removable Sunbrella® cover in the solid hue of your choice. Included ties let you attach it directly to your chair, helping to keep it in place. The convenient zipper closure makes it easy to slide the insert in and out. Designed for outdoor use, this seat cushion is stain- and weather-resistant to stand up to the elements. To care for it, simply spot-clean it or throw it in the washing machine.