?Service?We support a 33-day no-reason refund and lifetime damage warranty. In case of any broken issues, please contact us without hesitation. We will provide the best service until you are satisfied. You have no risk to try!. ?Size?Lens width:53mm(2.09inch), Lens height:48mm(1.89inch), Bridge width:22mm(0.87inch),Arm length:153mm(6.07inch). ?Fashion Square Style?VISOONE Blue Light Glasses features Small Face cat eye frame, Unique small cute cat eye and ingenious metal rivet design concept. It subverts the traditional nerd plastic frame design, Keep you looking stylish. ?High Quality Material?Polycarbonate lens cut 99% of the harmful blue ray(400-445nm) with high transmittance, explosion-proof and scratch-resistant, providing a perfect balance between eye protection and visual experience. Durable Plastic frame puts no stress on your nose ensuring comfortable long-term wearing. ?Reduce Eyestrain & Sleep Better?Effective blue light blockers & UV400 Glare shield, relieving eye fatigue and discomfort from long periods of web surfing, gaming, working on computer and watching TV. Non prescription, 0.5 magnification. Arm: 144 millimeters. Bridge: 20 millimeters. Lens height: 46 millimeters. Lens width: 51 millimeters. Ultra Violet Protection Coating coating. Non Polarized. Cellulose Triacetate lens. Polycarbonate frame. Imported.