Material:Plastic Frame Material: TR90 Lens Material: Resin Frame Width:136mm Lens Width: 58mm Lens Height: 31mm Bridge Width:20mm Leg Length:139mm Weight:15g 100% Brand New,High Quality Made of high quality resin material, it is very sturdy. Fashion arms provides smooth and comfort. Gaming Eyeglaes, Reading Eyewear. Glaes frame is made of lightweight & flexible TR90, It is comfortable to wear and reduces nose preure. Advice Age 45 50-55 56-60 61-65 66-70 71-75 76 Degree +100 +150 +200 +250 +300 +350 +400 Package Includes: 1 x Glae Note: 1.There is 2-3% difference according to manual measurement. Please check the size carefully before you buy the item. 2.Please note that slight color difference should be acceptable due to the light and screen. 3.( Unit Conversion:1 inch = 2.54 cm,1 cm = 0.39 inch ).