TRSELLWIER Sunglasses Feathers: UV400 Protection Lens Round Frame Flat Mirrored Fashion Design Non-Polarized Reduce Headache Reduce Surface Reflections Durable and Lightweight Frame Scratch Resistant Lens TRSELLWIER Sunglasses Dimension Lens Width: 60 millimeters Lens Height: 58 millimeters Bridge Width: 18 millimeters Arm Length: 160 millimeters Frame Length: 148 millimeters Product Maintenance: 1.Clean the Lens by Water or Wipe Them by the Soft Cleaning Cloth Included Regularly. 2.Do Not Use Alcohol or Any Other Chemicals to Clean the Lens, to Avoid Surface Broken. 4.Do Not Maintain the Sunglasses in Such Bad Environment of High Temperature or Long Time Damp, to Avoid Deformation.