[Great for lighting festive interiors and exteriors] Our Heavy Duty Commercial Grade String Lights are sure to add flair to all your special events in Patios ,Backyard,Decks, porches, terrace, gazebo,walkways,bistro,party,cafe, restaurants,awnings, wedding tents, indoor and outdoor malls. [Weatherproof Heavy-duty Commercial Grade Construction] FrenchMay string lights are UL listed 52 feet black weatherproof cord with 18 fully sealed and self-gasket E26 light sockets. The construction can protect the strand from extreme hot/cold temperatures and all weather condition such as sun, wind, rain, snow and damp. And also withstands the wear and tear of indoor and outdoor use. [Ideal Outdoor Illumination] 20 pack of 120V 2W S14 E26 bulbs for 18 sockets and 2 extra bulbs produce warm light, making it ideal illumination anywhere. Formulated PVC socket forms a tight weatherproof seal around the bulb. Each bulbs is packaged with special design not to get damaged during transit. [100% Satisfaction Guarantee and Lifetime Warranty] at FrenchMay customer satisfaction is our top priority.If you are not fully satisfied for any reason , please let us know. We will replace it with a new item or give you 100% money back.