Functionality: reflect and filter blue light, prevent color distortion, 7-layer anti-reflective coating to reflect and filter blue light,reduce eyestrain and sleep Size: 50-17-141 (Lens Width 50mm, Lens Height 46mm, Bridge Width 17mm, Temple Length 141mm) Material:10g, ultra lightweight, frame TR90, no pressure on ears for long time wearing. Lens Resin. Oval shaped frames with a wood pattern, crafted from lightweight yet durable TR90
