Fill Content: 100% PolyesterCover Content: 100% Polyester with Polyurethane CoatingWidth: 18"Length: 18"Features: Weather & Water Resistant for Outdoor Use, Laminated Shell Protects Fiberfill From MoistureCare: Protect the pillow from severe wet weather for best results and prolonged lifespan. Submersing pillow or prolonged exposure to heavy rain will result in varying levels of moisture absorption. Spot cleaning recommended.Please Note: We suggest ordering pillows 2" (5 cm) larger than the cover.