High-Quality Plastic MaterialsThe shutter shades are made of environmentally friendly sturdy high-quality PC plastic that without fear of being easily damaged after falling. Safe, non-toxic, and premium quality. The LED shutters glasses do not block off the vision, No glare, no UV radiation, No effect on vision and no heat generation. Reusable, Long Lasting Glow Party SuppliesEach pair of flashing glasses has an On & Off Switch & A Plastic Insert, you only remove it and one click switch in the middle of the glasses. Glasses will start working, Flashing and Bright light. Will make your party shine with these LED Glow Neon Flashing Sunglasses. All Bang for Your Buck!-Throwing the best glow party is no easy feat and you dont need to break the bank to do it. Our party pack of LED Party Sunglasses gives you everything you need right out of the box so you can be confident in knowing that there will be no additional expenses. Each pair of LED sunglasses comes individually wrapped with pre-installed batteries so that your order arrives just right. Were here to change the glow party supply game by offering you nothing but the best! Infinite Glow In The Dark FunThese glow in the dark glasses are great for July 4th Decorations,Independence Day, Halloween party supplies, ugly Christmas sweater accessories, outdoor concerts, birthdays, camping and raves.