Fold closure Metal frame Polycarbonate lens Non Polarized Lens width: 52 millimeters Blue Light Blocking:Anti-Blue light lens:help you block almost 96% harmful blue light, reduce eyestrain and headache Progressive multifocus:The glasses for all your need. The bottom part of the lens is full-power magnification, then used for nearly distance reading. The middle part is slightly reduced power magnification for working on computer,using the phone, etc.Top part is half-power magnification for watching TV And Conversations,Meetings. Compatibility:Readers men with spring hinge frame and silicone nose pads, can adapt to most face and nose shapes, durable for long-term use. Classic rectangular full frame design, suitable for men. High Quality Workmanship :Mens reading glasses with tough stainless steel frames ensure the spectacles are not easily deformed or damaged. The scratch resistant lenses are with accurate strengths: 1.00,1.25, 1.50, 1.75, 2.00,2.25,2.50,3.00, This is a very convenient and fun reading glasses. It unlocks the new way of wearing glasses and keeps you away from wearing discomfort.If you have any questions, please just contact us.