100% Duck Cloth Durable foams provide long-lasting comfort that you can really sink into Water-resistant fabrics and a subtle, elegant pattern keep your cushion looking flawless Attachment clips put your cushions in their place Extend your Weekend with the full collection including umbrellas, hammocks, cushions, and more A one-year limited warranty gives you extra peace of mind Cushion measures 21"W x 19"D x 3"T While your cushion is highly water resistant, it is not waterproof. To avoid potential mildew issues, do not store the cushion outside in wet conditions long-term. Dimensions may vary. Please allow 24-28 hours for your product to fully expand after unpacking. Durable fabric provides protection from harmful UV rays