WORRY FREE SHOPPING - Any question please fell free to contact us by email, we will reply within 24H. Your Glasses come with our 90 Day Money Back Guarantee. You have no risk to buy. SPRING HINGES- Unique frame design & ultra-lightweight.Fashion eyewear have sturdy temples with adjustable spring hinges can find the perfect fit for different face shapes and allows for maximum comfort and flexibility. RESIN LENS- Anti blue light & UV400 lenses. Enjoy your digital time with our non prescription anti fatigue eye glasses can reduce eyestrain, glare headache, blurred vision, and provide you with a better night's sleep. READIN GLASSES - The "Size" stands for the Diopter/Magnification. Magnification Strength :0.0,+1.0,+1.5,+2.0,+2.5,+3.0,+3.5,+4.0. Scratch-proof and durable, protect your eyes in all directions and bring you a good visual experience. BLUELIGHT BLOCKER GLASSES - Blue light blocking Reading glasses, Alleviates visual fatigue and anti 100% harmful blue ray from computer screen. Blue block readers is perfect for people who gaming or working under fluorescent lights with UVA protection and glare reduction. Lens width: 54 millimeters. Non Polarized. Polycarbonate lens. Plastic frame. Imported.