Glowing EL Wire is woven into the mask, made of durable PVC, has no UV harm, NO adverse effects on the human body. The mask control have 4 modes: Steady Light, Slow flash, Fast flash, Off. Light uniform, soft, do not flicker, will not make the eyes produce tension, fatigue. The Mask Can be used on any Occasional such as Party, Rave Parties, Discos, Clubs, Halloween ,Birthdays, Festivals and Events.