FlashBanz Light Up Bracelets - Assorted Colors, Pack of 12, Plus one Bonus Bracelet 12-Pack includes four each of blue, green and red bracelets, plus one bonus bracelet for a total of 13! Lightband technology flahes, pulses or glows bright at the touch of a button Perfect for dances, parties, sleepovers or nighttime activities, comes in their own display box Snaps on and can be put together to make belts, necklaces or anklets Requires two CR1220 batteries (included)