48" Navy Polyester Auto Open Umbrella Manufactured by Barton OutdoorsÆ This navy color umbrella features metal shaft and brown straight wooden handle. Measuring 48" inches this is considered an average size rain or shade umbrella. The auto open features allows for quick release and easy opening. Buy wholesale umbrellas from ckbproducts and save. We carry many different styles and colors of rain umbrellas, parkas, rain jackets and other items to help protect you from the weather.