Straw 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 1-year limited warranty gives you extra peace of mind Cushions measure 18"H (Backrest) x 18"D (Seat) x 18"W x 3"Thick While your cushion is highly water resistant, it is not waterproof. To avoid potential issues, do not store the cushion outside in wet conditions long-term. COMPLETE YOUR OUTDOOR OASIS: Looking for the entire patio set? Our extensive collection includes: patio chair cushion, deep seat patio cushions, and patio chair cushions for outdoor furniture