eyecedar 5-pack reading glasses men metal frame rectangle style stainless steel material spring hinges includes tinted blue light blocking readers 1.00 eyecedar our promise</br> </br>2 years friendly customer service. we will provide quality service at any time.</br> </br>convenient replacement and return, zero risk purchase.</br> </br>during product use,there are any problems that we can all help you as soon as possible. </br> </br> </br> </br>product features</br> </br>stainless steel frame lightweight and durable comfortable to wear. </br> </br>exquisite cloth pouch for storage and protection.</br> </br>aspherical lens environmental protection material transparent clear.</br> </br>computer readers - for frequent use computer,tv,tablet or mobile phone, can effectively block the screen harmful blue light.</br> </br>5 pairs in the packaging, for the car, bedroom, office and other places,anytime, anywhere to read.each pair glasses is carefully selected to ensure quality. </br> </br> </br> </br> product use common sense</br> </br>use water to clean the surface stains, soft cloth wipe or naturally dry.</br> </br>try to avoid use detergent cleaning, will damage the lens surface coating. </br> </br>you can regularly add some oil in the spring hinge, can remain flexible.</br> </br>when used there are any functional problems, in the 2 years warranty period can be replaced for you free of charge.