[UV400 PROTECTION]: UV400 Lens protect your eyes from harmful UVA and UVB rays during your exposure, excellent choice for outdoor activities. [RESIN LENS]: Resin lens passed the Drop Ball Test and FDA certification with different colors restore original true colors of the world, increase clarity and give you a real feeling to the world. [TOUGH METAL FRAME & HINGE DESIGN]: The special design prevents screw loose effectively. Corrosion resistant metal frame makes the glasses firmer and more durable. [DURABLE NOSE PADS]: Using good metal material to lighten your nose\'s burden,and help you wear it more comfortable. [PACKAGE & 30 DAYS GUARANTEE]: 2 pairs of Sunglasses, 1 Case, 1 Cloth Bag, 1 Cleaning Cloth/ Contact seller of WISH CLUB directly if any product problems happen within 30 days.