[UV400 PROTECTION]: The eyewear can block 100% of both UVA and UVB radiation. UV400 rated sunglasses are essential to protecting your eyes against long term UV damage. [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. And it\'s tough, lightweight, scratch resistant. [ULTRA-THIN STAINLESS STEEL]: Corrosion resistant frame is ultra light weight yet strong and durable. The hinge design prevents screw loose effectively and the legs can be opened smoothly. [SILICA GEL NOSE PADS]: You will feel very comfortable and there will be no pressure on your nose. [PACKAGE & 30 DAYS GUARANTEE]: 1 pair of Sunglasses, 1 Case, 1 Cloth Bag, 1 Cleaning Cloth/ Contact seller of WISH CLUB directly if any product problems happen within 30 days.