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.