Products description:   1.TPU fram and PC lens 2.Pass EURO CE EN166 certificate 3.US imported anti-frog coating lens which offer excellent anti-frog and anti scratch performance. 4.Come with 3 color lens to meet every weather or brightness condition: Transparent, Gray and Yellow lens. 5.6mm high impact iron ball resistant, iron ball speed reaches up to 430 feet/second. 6.Also match myopic lens and frame