1.HEALTH MATERIAL--Made of premium PVC and glowing El Wire that is safe for anyone who use them. No harm to human body.
2.4 MODES--There are 4 control modes on this creepy mask: Steady Light,Slow flash,Fast flash,Off. You could clip the power to your clothes or in your pocket. It needs two AA batteries (not included).
3.AVAILABLE OCCASIONS -- The mask can be used in a variety of occasions such as Halloween, Costume Parties, Birthdays, Masquerades, Carnivals, Christmas, Easter, New Years Eve Party. Unique design and stylish style of the mask make sure you stand out from the crowd.
4.ADJUSTABLE-- The mask size is about 7.87'' * 7.09'', and the adjustable elastic band makes one size fits most people