GloFX paper cardboard diffraction glasses are produced with a very sturdy and durable 250-gram cardboard stock which is coated to resist sweat and light moisture, two fold lines accommodate any size face or head. Not only are our frames so well produced that you’ll be able to use them time and time again, our lenses utilise the highest quality diffraction gratings available anywhere to produce clean and crisp effects with over 3 times the light diffraction effect of other paper glasses. GloFX are the original innovators of diffraction eyewear, we guarantee the best quality in the industry.