These round sunglasses are made by asos collection. The details include: a flat top design with a tortoiseshell frame, round, tinted lenses, a curved bridge, moulded nose pads for a secured fit and wide-cut temples with tapered temple tips. About me frame: 100% plastic. Lens: 100% non prescription. Total uv protection. Filter category 3. Not for direct viewing of the sun. Non prescription sunglasses. Not suitable for solaria. Tested to bs en 1836 2005.