Ideal for 4th of July events. Fireworks Glasses - View your world in bright new colors. The rainbow burst will amaze you. Printed in exciting full color graphics. Rainbow Glasses are great for watching Fireworks Displays, Holiday Lights, City and Street Lights and even the Moon and Stars. Experiment and have fun!! Holographic diffraction grating lenses that break light into the spectrum or rainbow starbursts. For viewing fireworks displays, laser light shows, holiday and city lights and for the study of light and color. Millions of people around the world have been dazzled by Fireworks Glasses and the amazing effects that bring fireworks and the rainbow spectrum excitingly alive. Fireworks Glasses are great fund-raising items for civic and charity groups, for use in educational and scientific applications, or as party favors!! 12 Pairs of Glasses