These high quality indoor and outdoor globe string light sets will enhance any room, patio or event tent. Turn your home into a resort year round. Perfect for any event, including weddings, graduation and birthday parties Set includes a green 100 foot C7 (E12) base light string and 100 G50 7W multi-colored light bulbs. The sockets are spaced every 12 inches. The bulbs are approximately 2 inches in diameter. These strings are made from 18 gauge wire and can handle up to 840W per run. The bulbs have brass bases rather than then the cheaper nickel based ones. If one bulbs burns out, the rest remain lit. Safe for indoor or outdoor use. These are also available in 25 and 50 foot lengths.