About This Product This single outdoor seat cushion transforms a hard chair or sofa into an inviting, comfortable place to relax and unwind. Square in shape, the 3” thick foam cushion is wrapped in high-performance Sunbrella fabric that is resistant to weather, water, UV rays/fading, staining, and mildew. No worry if there’s a spill as the cover is removable for cleaning. The vibrant blue color brightens your outdoor entertainment area, while the piped edge adds a tailored look. What’s more, ties keep this cushion attached to your deck furniture on breezy days.