1. Easily transforms regular glasses into sunglasses.,2. Easy to clip on glasses (not suitable for rimless glasses).,3. Helpful for safe driving or any other activities under the sun.,4. Money Saving, great for those who already have a pair of glasses and do not want to spend more for a pair of sunglasses.,Lens Material: PC,Frame Material: Metal + Plastic,Color: For night:Yellow, For day:Grey,Dark Green,Coffee,Navy blue,blue green,yellow green,orange,Silver\,1:As different computers display colors differently, the color of the actual item may vary slightly from the above images.,2:Attention: please ignore the tag size comes with the cloth. The tag size sometimes can be a larger than our description size because those are for Chinese. We are 1 or 2 sizes smaller than European and American people.,Thanks for your understanding.