14 inches. There are 10ps led light up hair clip are included in each package. The color of light does not stay the same. It will be alternating 5 different colors so it is pretty eye-catching in the dark.The light up hair accessories come in a variety of colors that can be matched to your style or mood. Multicolor LED braids hair tensions dispersed in the back of the hair, for adding an extra flair to the night led hair clips with ON/OFF switch easy to turn off and on.(Battery inclueded). The led lights hair easy and quick to clip on and off of hair, backpack, purse, or clothing. You can cut them match your natural hair length. if the battery is dead, and you can easily replace the battery and re-used. The combination of the colorful lights can create different light effect, Become the center of attention at the party. Look dazzlingn the night. Make you look distinctive and easily catch attention in the wd. GREAT FOR ANY NIGHTTIME EVENT: Rave party, prom, holidays, parties, nightlife, concerts, raves, festivals, weddings, great events. led hair lights, led hair clips, led hair accessories, flashing led light up toys, light up toy for girls women to brithsday party bar concert. A variety of packages for you to choose from. Our LED hair extension cords are durable and can be better reassembled. You can cut them according to your natural hair length. Luminous hair accessories come in a variety of colors to match your style or mood. Note: Please keep children under 4 years old away from it.