Brand Name: KANASTAL Origin: Mainland China Blue Light Blocking Rate: 90%+ Element type: Formal Business High-concerned chemical: none Gender: Men Frame Material: Alloy Style type: Rectangle Lenses Material: CR-39 Lens Height: 37mm Boxes Included: No Model Number: 5909 Lens Width: 55mm Place Of Origin: China (mainland) Certification: CE 0 degree Glasses Choose: Anti blue 0 Look Far Myopia Glasses Choose: Myopia -0.50 to -3.00 Look Near Hyperopia Reading Glasses Choose: Presbyopic Plus 0.50 to 3.00