1.[BLUELIGHT GLASSES] - Blue light blocker with UV400 protection, help you resist 100% harmful blu-ray, reduce discomfort from TV, phone, digital screen and reading under fluorescent lights. Reduce glare, fatigue, headache, eye strain and dry eye, protect your vision and help sleep better. | 2.[LIGHTWEIGHT TR90 FRAME] - Durable, flexible and super light, suitable for long-term wearing. Stylish style, puts you in the spotlight all the time! | 3.[POLYCARBONATE HD LENS] - Anti reflective, non-prescription clear lens. No color difference, restore the true color. Besides, you can remove the lens at any time and replace it with the prescription lens you want. | 4.[PRODUCT DIMENSION] - Lens Width: 56mm(2.20inches) | Lens Height: 51mm(2.01inches) | Temple Length: 145mm(5.71inches) | Nose Bridge: 20mm(0.79inches). | 5.[LIFETIME WARRANTY AND UNCONDITIONAL REFUND] - We attach great importance to the quality of our products. Please feel free to contact us if there is any problem with the eye glasses, and we will give you a satisfactory solution without hesitation.