Never find yourself without a replacement bulb when a light goes out; keep yourself prepared this holiday season. No rushing and parading each store until you find the right ones; searching at the last minute can be frustrating. Our transparent replacement bulbs are the perfect secret weapon when that holiday snag hits be the hero of Christmas. Product Features: 4-piece Christmas replacement bulbs. Finish: transparent. Color: blue. Bulb size: C9. E17 brass base. 120 volts 7 watts. Glass bulbs with gold intermediate bases. UL certified and approved for indoor or outdoor use. Dimensions: 3" high x 1" diameter. Material(s): glass/metal