The sunglasses provide 100% protection against UVA and UVB sunlight and meet British Standard EN 1836:2005. Perfect for summer weather, these sunglasses are both stylish and practical.. Marc Jacobs Black 589 0003 IR Sunglasses, Lens Width = 54mm, Nose Bridge Width = 19mm, Arm Length = 145mm, Made In China Sunglasses, Sunglasses Case, Cleaning Cloth and Care Instructions all Included, 100% Protection Against UVA & UVB Sunlight and Conform to British Standard EN 1836:2005 Style Code: 589 0003 IR Black Sunglasses