HD resin lenses, red lenses, Bright blue coating,Red-Green Color Blind Correction(Red is better). | Hardened,Water-resistant,Anti-Scratching,Anti-Blue light blocking,UV400-blocking. | TR material, metal hinge compact spectacle frame,Outdoor and Indoor Use.When wearing them, others will only think of them as fashionable glasses. | Wear contacts?Our non-prescription Outdoor glasses can be worn over your contacts. | 100% Money back if not helping your read color blind test charts.