The light up mask is not only great for Halloween Party but also perfect for Masquerades, Cosplay Costume Party, Rave Parties, Discos, Clubs, Birthdays, Christmas, Gifts and so on. This LED Costume Accessory is Made with High Quality Plastic and Cloth. NOTE – It is normal when you hear a low buzzing noise when the LED Halloween mask is on. Clip the power pack to your pocket, turn the scary LED purge light up mask on, and you are ready to go!