FC3, General purpose sunglasses, high protection against sunglare. These sunglasses conform to BSENISO12312-1:2013. Not for direct viewing of the sun or protection against artificial light sources such as in a solarium. Non prescription sunglasses. Not for use as eye protection against mechanical impact. Not suitable for driving in twilight or at night. Do not use abrasive detergents or sprays. Comes with a soft pouch case.