G&G Chrome Metal Silver Spring Hinge Mirrored Aviator Sunglasses 3 Pr Special Chrome metal frame Polycarbonate lens none Mirror coating Lens width: 58mm Lens height: 52mm Bridge: 16mm Arm: 140mm Mirror PC Lenses 52mm G&G Comfortable, protective, stylish and convenient. Block 100% of the sun's harmful UVA and UVB rays OPTICAL SPRING HINGES and Silicon nosepads. Right Size, good quality, great look.