WeatherPro™ 3-ply non-woven fabric protects against rain, snow, sun and dirt. PVC free and solution dyed for exceptional fade resistance. Straps tie around legs to secure cover on windy days. Covered elastic hem provides a fast and secure fit. Air vents reduce inside condensation and wind lofting. Handles for easy fitting and removal. Fits standard patio chairs with backrests up to 20"high.