Bestum's name comes from Iceland and means the best. As the name of our brand says,The best, so we are committed to providing the ultimate experience for consumers. The best service of quality products is our aim. BESTUM is willing to work with you to create a more comfortable and healthy life.FeaturesMade by polycarbonate lens and high-quality metal，you can wear it as a fashion accessory or replace the plain lenses with your own prescription lensesNote *Please remember to clean the lens before you use them.*The glasses cloth that comes with the package can be used to absorb the water on the glasses after cleaning them.*Do not use tissue or rough cloth to clean the lens, otherwise the lens will get blurred and could not be clearly seen.* After using them, please put them back in the protective case so the lens will not get stained. Include:1 pair of glasses,1 glasses case,1 glasses clothIf you have any questions, please feel free to contact us.