MLC Eyewear &reg; &lsquo;Chalon&rsquo; Rectangle Reading Glasses Plastic frame composite lens non-polarized Lens width: 50 millimeters Bridge: 16 millimeters Arm: 136 millimeters U.S. Standard ANSI Z80.3-2001 | CE Certified | UV400, absorbing over 99% of harmful UVA and UVB spectrums. Smart design to fit your face curve. Absolute comfort for everyday wear. Smooth Finish with Hand Polished Frame MLC Exclusive Pouch made in micro fiber material Lens 50mm x Bridge 16mm x Arms 136mm, Lens Height 24mm