Ultra Emerald Kitty Diffraction Glasses - EDMPlug - Highest Quality Diffraction Effect! What's Included? 1 pair of Ultra Emerald Kitty Diffraction Glasses(White Frame). Style: Kitty - Lens: Ultra Diffraction, Hard - Size: OSFA Durability Rating: High - Diffraction Strength: Medium/High - Water Resistant: Yes Ultra Diffraction Glasses maximize your experience of any light up toys, light shows Fireworks and more!