?1-YEAR MONEY-BACK GUARANTEE & 1-YEAR WARRANTY?-All JJWELL customers enjoy the high-quality 24-hour after-sales service, 1-Year Money-Back Guarantee and 1-Year Warranty. Any problems pls contact us without hesitation. ?HIGH DEFINITION LENS & PROFESSIONAL?-High definition acrylic lens, impact-resistant, scratch-resistant, good transmittance, clear with undistorted colors, no more blurred vision. Professional womens mens blue light reading glasses 1.00, 1.25, 1.50, 1.75, 2.00, 2.25, 2.50, 2.75, 3.00, 3.25, 3.50, 3.75, 4.00, buy it with confidence. ?FLEXIBLE & ANTI-SLIP?-Reader glasses for men women, high-quality tr90 temple, flexible, adapt to most types of face shapes, durable for long-term use. Special rubber temple end design, non-slip and comfortable. ?ANTI-BLUE LIGHT & 100% UV400 EYE PROTECTION?-Blue light readers for men women, resist 99% harmful blue lights, reduce the visual fatigue, glare and discomfort from the mobile phone, tablets, computers. Effectively block 100% of UVB and UVA rays, protecting eyes against long-term UV damage and keeping eyes healthy. ?LIGHTWEIGHT TR90 MATERIAL?-Blue light reading glasses men women with tr90 ultra-light polymer memory material frame, impact resistance and abrasion resistance, and low friction coefficient, not easy to deform in high temperature environment. Super lightweight, no pressure on the nose, longtime wearing without any fatigue.