SW Global Eyewear Alto Retro Square Fashion Sunglasses Plastic plastic frame plastic lens non-polarized Lens width: 7 inches Lens height: 4 inches Nose pads: contrasting Protection: UV400 Style: Retro square Our sunglasses feature uv400 lens technology, absorbing over 99% of harmful UVA and UVB spectrums Lens 54mm x bridge 18mm x arms 140mm, lens height 42mm