ImportedTR90 framePolycarbonate lensNon PolarizedLens width: 50 millimetersBridge: 150 millimetersArm: 140 millimeters『 Anti Blue Light Lens 』-- Blue light blocking lenses with UV400 protection, not only can block 99% of harmful blue ray spectrum (400-440nm), but also have high light transmittance (93%), providing the perfect balance of eye protection and visual experience. Reduce eye strain and discomfort caused by prolonged reading, computer/TV/mobile phone use and working under fluorescent lights.『 High-Quality Materials 』-- PC frame and acrylic scratch-resistant lens, light and comfortable, durable and not easy to break. The transparent lens has almost no chromatic aberration, bringing you a good visual experience. The lightweight frame design and excellent nose pads don't produce uncomfortable squeeze. These classic blue light blocking glasses for men and women fit any face shape.『 Reduce Eye Strain/Glare, More Restful Sleep 』-- With UV400 protection and glare reduction, it can avoid eye damage, reduce eye fatigue, blurred vision and headaches, allowing you to enjoy your digital time and deep sleep.『 4 Pack of Lightweight Blue Light Blocking Glasses 』-- 4 pairs of blue light filtering glasses for men and women means you'll have a pair handy wherever you are. Glasses of different colors can also be worn as a fashion accessory. It is economical and convenient. Best to buy for your parents, friends, any seniors and yourself.『 Lifetime Warranty & Money Back Guarantee 』-- Any problem with these blue light blocking glasses, please contact us without any hesitation to solve until satisfaction. We provides lifetime after-sales service for all glasses. HEALSUN Blue Light Blocking Glasses for Women Men 4 PACK Computer Gaming Anti Headache Eye Strain，blue light glasses for women。