Cold light source harmless will not hurt the eyes. Wear a hat and sunglasses to protect your head, face and eyes. 【SAFE & PREMIUM MATERIAL】- The light up mask is made of premium PVC and El cold light wire, environmental, durable and no UV harm. Pretend a mysterious hacker with this v for vendetta mask, just like YouTube or TikTok Show. 【COMFORTABLE & ONE SIZE FIT MOST】- Designed with a foam on the inner forehead to keep you comfortable even wearing a long time.