Be the life of any kids' party with these glow-in-the-dark square glasses. Made with lightweight and flexible TR90 plastic this kids' frame has a neutral white smoke color in the light then glows bright blue or bright green in the dark. This frame has a matte finish. To optimize the glow effect we recommend putting your glasses under an LED light or exposing them to bright sunlight for 15 minutes before you wear them. | Zenni Kids Square Prescription Glasses Gray TR Full Rim Frame