G40 Outdoor String Light Globe Replacement Bulbs - Patio String Lights - Globe String Lights - Market Lights Our globe-shaped incandescent G40 Bulbs create a fun, unique look when decorating for any special occasion. Perfect for weddings, tents, patios, awnings and Christmas decor. These round, 5-watt, 120-volt bulbs will screw into our C7 stringers, Heavy Duty C7 Candelabra base strings, or Vintage E12 Twisted Wire Bakelight Socket strings. Each bulb is slated to last for 3,000 hours. Your satisfaction is our #1 priority and if you have any issues at all please let us know and we will gladly help! Ordering the wrong size bulb is common and please contact our customer service with any bulb size questions.