C-9 4th of July Lights Bulbs Red, White, & Blue C9 Bulbs Steady - 1 Box of 25 C9 Bulbs E17 Base Brass Socket Replacement Light Bulbs Opaque Ceramic Light Bulbs C-9 Screw In Bulbs Brand new C-9 Ceramic Red, White, & Blue Ceramic Steady Replacement Light Bulbs. Light Bulbs Only. No Strings attached. 25 C-9 Solid Color Bulbs. Decorate your home this summer with Ceramic Red, White, and Blue C9 Light Bulbs for the 4th of July! 7-Watt bulbs. 130-Volt traditional incandescent C9 (E17 socket) bulbs. Rated at 3,000 hrs. Your lights will last all summer long! These are super bright red, white, & blue steady burning bulbs. Solid Opaque color. Simply screw them in and you're all set with patriotic party lighting. Indoor/Outdoor Rated & UL Listed.