GloFX 5 Pack Paper Diffraction Glasses, Black, Light Prism Starburst Effect &ndash; Raves, Festivals, Light Shows, Clubs, Concerts, Unique Kid's Party Favors Made in USA and Imported Exclusive Ultimate Diffraction Effect that turns ordinary lights into rainbows! Sturdy 250g paper cardboard stock designed to resist sweat and light moisture 3 times the Light Diffraction effect compared to competitors Pack of 5 Pairs - great for party favors! Dual Fold Lines on both sides to ensure that One Size Fits All 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