Protect your kid’s eyes in the digital age with Cruz Kids, a new line of protective glasses from GUNNAR, the leading experts in blue light blocking technology. Designed with a durable nylon frame and complete with smudge resistant lenses that come in both Clear (blocks 35 percent blue light) and Amber (blocks 65 percent blue light) tint options, these glasses are clinically proven and doctor recommended. Your kid’s eyes couldn t be in safer hands. KEY FEATURES: Durable nylon frame material, Hingeless design for extreme flexibility, Smudge resistant lens coatings, Blocks harmful blue light and 100 percent UV light, Curved nose rest for even weight distribution, Comes with protective glasses case and clip.Prescription lens options available. SPECS: lens width: 46 mm, nose: 14 mm, frame width: 120 mm, temple: 120 mm, weight: 19.5 grams (without packaging) INCLUDED WITH PURCHASE: Glasses Case,Microfiber Cleaning Cloth, 12-month Warranty.