?30 Days Money Back Guarantee? 100% risk free to try any broken problem happens; just contact the seller without any hesitation to solve the problem until you are satisfied.You have no risk to try!. ?High-value Portfolio? 2 Pair womens/men reading glasses + 1 glasses case + 1 High-grade glasses cloth. ?Explosion Proof Polycarbonate Lens? Reduce eyestrain, anti blue ray to a great extent.Enjoy your digital time,NO worry about eye fatigue, blurred vision and headache,let you have a better sleep. ?Resin Frame? Ultra-light and flexible resin frame material for durability and comfortable long-term wearing. Casual frame design keeps you looking professional and stylish while working or playing video games. ?Anti Harmful Blue Light Glasses?Blue light blocker & UV400 Lenses, Alleviates visual fatigue and discomfort from browsing mobile phones,tablets, gaming and working under fluorescent lights with UVA/UVB protection and glare reduction.