Novelty Lights twinkling C9 Christmas string light set for your holiday decorating needs. These holiday light sets are perfect for outdoor patios, decks, special event or Christmas lighting. Each set includes 25 long life random twinkle C9 bulbs on a green wire stringer with 25 sockets that are spaced 12" apart. These durable clear twinkling C9 Christmas lights have long lasting 3,000 hour bulbs and are on a 20 gauge green wire. These durable and heavy duty c9 outdoor light strings will provide you with years of maintenance free use.