Metal frame Plastic lens Non-Polarized UV Protection Coating coating Lens width: 58 millimeters High Quality Material:These Rimless Square Sunglasses Are Made Of High-Quality Metal Frames,Uv400 Lenses,Solid Metal Hinges,Ultra Light Exquisite Temples,All The Details Ensuring You A Comfortable Wearing Experience. Uv400 Lense: The Rimless Rectangle Sunglasses Can Filter Out Sunlight Reflected Glare, Block 100% Harmful Uva, Uvb Rays, Protecting Your Eyes From Long Term Uv Damage. Allows You To Better Enjoy The Scenery In The Sun. Fashion Design: Using The Classic 90s Sunglasses Design, Suitable For Many Kinds Of Faces. These Square Sunglasses Have An Rimless-Style Frame, All The Details Are Its Interpretation Of Retro Fashion. Occasions:It Is The Perfect Choice For Outdoor Activities Such As Shopping,Driving,Traveling,And Are Suitable For Many Styles Of Clothes All Year Round.They Are Available For Both Men And Women And Suitable For Any Climate And Weather Conditions.