EST. LEE DISPLAY L D 1902 C-9 Blue Ceramic Steady Bulbs 1 Box of 25 C9 Blue Ceramic Steady Bulbs 25 Brand New C-9 Ceramic Blue Color Steady Light Bulbs, Replace your Christmas Lights today with our C9 Ceramic Blue Light Bulbs! Decorate your home or store front for every occasion! Screw in to a C-9 Socket. Use with your Patio Lights String. 7 Watt Bulbs and 130 Volt Traditional Incandescent C9 (E17 socket) Bulbs and Rated at 3,000 hrs These are super bright blue steady bulbs. No Blinking, They will last for years to come. Indoor/Outdoor Rated & UL Listed