Set of 25 Blue C7 Christmas lights Item #ES76-952 Features: Color: Transparent blue color bulbs / green wire UL Listed for indoor/outdoor use. If one or more bulbs burn out, others stay lit. String to string - end connectors allow you to connect multiple sets together Bulbs easily screw in and out, making replacing burnt out bulbs or changing colors an easy task Glass bulbs Lighted length: 24 feet (7.3m) Total Length: 25 feet (7.6m)