Acrylic lens. Non Polarized. Acrylic coating. STOP LOSING YOUR READERS. The durable frame and wrap around band are made to live life with you. With one click of the front magnetic connection, youll seal your readers around your neck, ready for whats next. ACRYLIC LENS DURABILITY. Your Long Readers come with a pair of lasting acrylic lenses. The TR90 rigid band is meant to take the test of life alongside you. Your reading glasses should travel with you on your journey so you can be prepared for anything. LONGER FOR LARGER HEADS. With the extra length, there is more room for those with larger heads. EYEWEAR SPECS. Total Frame Width (Face): 140mm, Lens Height: 25mm, Lens Width: 51mm, Nose Bridge: 25mm, Adjustable temple Length: 203mm - 222mm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store