100% AUTHENTIC SEE MY OVER 100 LOVE NOTES, I AM A POSHMARK AMBASSADOR, 5 STAR RATING Frames are measured by lens width, bridge width and temple length in millimeters. You can easily find your size by referring to the numbers printed on the inside, left arm of sunglasses or eyeglasses you already wear. For example, 52 indicates a lens width of 52 mm, a bridge width of 21 and a temple length of 145 mm DOES NOT COMES WITH A CHANEL CASE HARD CASE WILL BE PROVIDED Best fit for a wider face as they are large framed. BRAND NEW WITHOUT TAGS