6 Pack Lightweight Rimless Bifocal Reading Sunglasses SGWK2 Clip-on Flip up Sunglasses Polycarbonate lens

Polycarbonate lens

31 inches (135mm)

Lens width: 1 13/16"(46mm)

it will be change to grey color in the sunshine within 10 minutes

Lens height about 1 7/16 inches(36mm)

6 Pack Lightweight Rimless Bifocal Reading Sunglasses SGWK2 Clip-on Flip up Sunglasses Polycarbonate lensMetal frame with spring hinges Frame width about 51 2 inches (140mm) Lens width about 23 8 inches (61mm) Lens height about 15 16 inches (34mm) Bridge(DBL) about 9 16 inches (15mm) Temple length about 51 8 inches (130mm) EYEKEEPER BIFOCAL SUNGLASSES A crescent shape on the bottom part of the lenses have magnification, which is for reading and close up work. And the other parts of the lenses have no magnification,which is for distance viewing.