GAMT Classic Round Mirror Fashion Arrows Plastic Sunglasses Black Frame Black Lens metal frame plastic lens non-polarized Lens width: 57 millimeters Lens height: 44 millimeters Bridge: 15 millimeters Arm: 130 millimeters Lens: resin frame: plastic + metal Lens height: 55mm Frame height: 50mm Nose: 20mm Frame width: 151mm Length of the temple: 143mm Visible light transmittance: 99% Standard logistics time is 7-15 days Service: quality problems within six months of free return, the seller bear the freight. Non-quality problems, does not affect the second sale, it can be a replacement within a month.