Color: 7 Colors 5.4" replacement bulbs for christmas bubble string lights or bubble night lights, 7 bulbs per pack Traditional replacement bubble lights with orange, red, purple,green,pink,yellow and blue liquid. Made of glass and plastic, be careful as they are fragile Bubble night light fits socket: E12 candelabra base. Each piece 120 volts 5 watts UL listed for indoor safe uses, perfect for decor xmas christmas tree or other.