Chanel Acetate Square Protective Computer Screen Eyewear 5408 in Black. These stunning classic squared frame with black rims and translucent clear lenses are compatible with prescription lenses. 100% UVA and UVB Protection CE. Height: 1.75 in Width: 5.5 in Length: 5.25 in *Please note I’m selling with a hard case from another pair of Chanel sunglasses and keeping the soft case that came with these glasses.* The size of a frame is defined by the width of the lens and bridge, as well as the length of the temples. This information is usually indicated on the inside of the left temple of the frame. For example, the inscription "52 - 19 (140)" means that the lens width is 52 mm, the bridge width is 19 mm, and the temple length is 140 mm. REFERENCE A71520 X08101 S2212