If you buying sunglass first you choose your choice which colour stylish you want to buy than wear it if size is small than you ask from shopkeeper I want yellow frame colour I not getting my size please show me if he tell stock is not their than you choose other colour that look good than wear it after that check size than stand near mirrior than look your image in mirror if it look good than you choose it after that you should know which brand will best and grantee and good looking than after choicing wear it two three time near mirriir than you see sunglass not broken the glass is good or not after that everything you doing than also check it for satisfy myself than buy it take your bill and ask this product is gurantee or not than keep bill nicely thanks.