Auto Open Feature: The umbrella opens automatically when it rains or the wind picks up. See Through Design: The clear dome allows you to see through the umbrella while it's closed. Rain and Windproof: The fiberglass and alloy steel frame keeps you dry in the rain and wind. Durable Construction: The steel shaft and plastic handle are built to last for years of use. Easy to Use: Just open the umbrella and step out into the rain without having to fumble with a traditional umbrella.