These round sunglasses are made by ASOS Collection. The details include: a round frame with a metal insert to the frame front, tinted lenses, a keyhole bridge, moulded nose pads for added comfort, and curved temple tips for a secured fit. ABOUT ME Frame: 100% Metal. Lens: 100% Non Prescription. Filter category 3. 100% UV Protection. Not for direct viewing of the sun. Non prescription sunglasses. Not suitable for solaria. Tested to BS EN 1836 2005.