Material: Frame TR90, Lens Resin. Square shaped frames with a black pattern, crafted from lightweight yet durable TR90
Weight: 11g
Functionality: reflect and filter blue light, prevent color distortion, 7-layer anti-reflective coating to reflect and filter blue light, cut UV 400 (ultraviolet ray), Clearuce eyestrain and sleep better. High light transmittance with no noticeable yellow tint to prevent color distortion, minimize glare from digital screens.
Warranty: 90 days free return, 1-year warranty against manufacturing defects.