Box of 25 C9 Christmas Lights Steady Burn Teal Bulbs. E-17 Interemediate base 7 watt bulbs. Price for bulbs only, wire sold separately. Classic transparent style bulbs that don't flash or twinkle. Larger C9 bulbs are perfect for lighting your home and more. Teal lights will give any light string a blue/green hue that is all together different from lights you'll find anywhere else.