Material: Made of polyester with PU coating, water, UV, dust and wind resistant Hanging Chair Cover – Durable and resistant woven polyethylene, the best choice for your rattan furniture, molded trestle tables and more. Waterproof and anti-corrosion, protect your furniture from rain, frost. Protect your furniture from dust and sun, keep it clean and new. Built-in, tighten the rope at the bottom to ensure coverage in strong winds. The cover is washable machine washable but should be hung to dry.