Brand Name: RBENN Origin: Mainland China Blue Light Blocking Rate: 20%-90% Element type: Basic Classic High-concerned chemical: none Gender: Men Frame Material: Acetate Style type: Square Lenses Material: Polycarbonate Lens Height: 47mm Model Number: RB8182 Lens Width: 60mm Place Of Origin: China (mainland) Certification: CE Anti Blue Ray Glasses: Blue Light Blocking Eyewear Computer Glasses: Gaming Eyeglasses