These durable patio chair covers are made from heavy duty polyester fabric with high density and wear resistance-no fading or cracking. A Pu waterproof coating inside protects chairs from rainstorms or snowstorms, keeping them dry and clean year round. Air vents reduce wind impact and prevent water pooling, while drawstring hems and two buckle straps secure the cover on windy days. Fits chairs up to 32""W x 35""D x 36""H measure first for a perfect fit. Easy to clean-simply rinse with water. Store cover separately when not in use.