if they are safe to wear one is polarized with a sticker which stated raybans then something written in another language then uv400. The other one was not polarized and had the same sticker. I did take note to buy the with the sticker described whereas other sunglasses did not have the sticker with uv400 on the end. I was wondering if the sticker is put on by the guys on the street or by the manufacturer and if the sticker is legitimate and will protect my eyes