EYEWEAR: The LED Shutter Shades Round has the design of blinds and shining characteristic, which does not block the line of sight. Surprise everyone with this amazing party favor at your next neon-theme party. OCCASION :These round LED shades are great for neon glow party, night club, festival, concerts, bars, birthdays, carnivals, New Year celebrations and also can be used as gifts for friends. USAGE: Easy to use. Comes with an on/off switch to turn the flashing on/off or to switch between modes. High-quality battery, heat-resistant, lightweight. SIZE: Frame is made of flexible material to adjust to the face of the wearer. Adults and children can freely wear these glowing shades without the struggle of misfits. GLOWING TIME :Can glow upto 8-12 hours.