These sunglasses are made by ASOS Collection. The details include: cat eye plastic frames with a metal double bridge design, tinted lenses and curved, slim temple tips for a secure fit. 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.