GloFX Ultimate Diffraction Glasses - 3D Prism Effect EDM Rainbow Kaleidoscope Style Rave Sunglasses Our Best Selling Model in a Green Frame Indestructible True-Flex PVC Frame Laser Etched Hard Plastic Lenses 3 Times the Diffraction of Competitors Limited Lifetime Warranty You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! Fireworks and Firework Shows Science class and learning the study of light waves Holiday and Christmas lights Festivals and carnivals Concerts and Music Festivals Lasers LED Gloving and orbit light shows Enhancing any light shows or performances