These sunglasses are made by ASOS Collection. The details include: a retro style design with a half frame design, cut-work to the bridge, cushioned nose pads for comfort, silver-tone wire frames and curved temple tips. Trim: 100% Metal. 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.