Classy Caps' solar post caps add radiance and allure, manufactured in various styles and sizes to fit most any PVC, wood, steel and aluminum post. Classy Caps Mfg. Inc. has more than 17 years of success in the solar outdoor lighting market using the latest technology. Stringent quality control is a key factor to their success. Their innovative, patented designs set them apart from the competition, and most importantly they stand behind our products.