These easy breathable masks fit ages 10+ as well as adults. Choose from a variety of 4- 2 el e-wire colors; blue with pink,red,orange or purple designs, of these 3 mode light up masks. These masks are lots of scary, exciting and fun. Harmless: no UV, non toxic Function: normal (constant brightness - slow flicker - quick flicker - off) by default. Scary and Exciting LED Light up Masks for Gifts, Costume Parties, Dance, Carnival or Club. Comfortable capability: There is a sponge on the inside of the mask in the forehead area to make it comfortable to wear on the face. Powered by 2 AA Batteries