Metal frame Polycarbonate lens Non Polarized Lens width: 60 millimeters Bridge: 15 millimeters Arm: 143 millimeters BLUE LIGHT BLOCKER LEN-:Dollger's anti-blue light lenses can filter 90% of harmful blue light, which comes from computer / mobile / TV blue radiation. Protect your eyes in time, add a protective umbrella to your eyes HIGH QUALITY MATERIALS-This vintage square blue light blocking glasses is made of reinforced Alloy metal frame, soft silicon nose pads, durable metal hinge, all the details ensure you a perfect performance. REDUCE EYESTRAIN & BETTER SLEEP-Blocks blue light radiation damage from computer / tablet / mobile screens, thereby protecting your eyesight and reducing eye fatigue. Provide a better sleep for you staying up late Oversized Frame -Lens Width: 60mm( 2.36inches) | Lens Height: 55mm( 2.16inches) | Temple Length: 143 mm( 5.63inches) | Nose Bridge: 15 mm( 0.59inches).Fits fashion and shows small face.