13pcs LED Butterfly Hair Clips Luminous Fiber Length: About 35cm Powered: 2 CR1220 batteries (Built-in) Packet includes:13Pcs Pack Light-up Fiber Optic Led Hair Lights (8 multi-coloered glowing hair clip 5 butterfly clip with various colors ) A new fashion faux hair extension accessory. You will be the most attractive one with wearing the LED flashing braid. You should hide the battery case under your hair so people won't see it. Each extension is designed with varying lengths, reaching as far as 11 to 13 inches. Easily personalize your look by cutting the fiber optic strands to whatever length you may need. Add a splash of color to your next festivity and adorn your hair with bright and vivid LED hair extensions. Easily clip the LED hair extensions in your hair and flip the power switch to luminously paint your hair in shades of 7 colors! These bright and colorful hair extensions will outlast any event whether used to brighten birthday parties, holiday gatherings, raves or outdoor festivals.?[Rave Party Accessories]: The glow girl hair accessories are suitable for many nighttime events:birthday parties,clubs, shows, Halloween,concerts, rave party, prom, holidays, bars,Christmas. Light up hair accessories make you stand out in the crowd. ?[Easy to Use]:Light up hair clips with on off switch, easily turned off and on, can be hidden under your hair for maximum convenience, batteries included flashing hair clips easily and quickly to your hair, backpack, or clothing you can cut them to fit your hair length. ?[Fun for All]:Glowing butterfly hair clips and light up hair scrunchies, glow sticks, etc. together as a glow in the dark party supplies ready, whether adults, children will be surprised, the party will be more romantic, more fun. ?[Good Quality and Long-lasting] : These light up hair accessories are made of synthetic fiber,stable light emitting. In addition, the LEDs have firm clips on the joints of the hair so you can shake your head with confidence powered by reliable batteries, each LED lights up the hair for up to 24 hours. ?[Eye Catching Led Fairy Hair Accessories]:Our led hair clips can light up, making you the center of attention in an instant. There are two styles in the packaging, one is a multi-coloered glowing hair clip, and the other is butterfly clip with various colors. You can encounter various surprising combinations.