Lens height about 1 3/4 inches  (45mm)

Frame width about 5 1/2 inches (139mm)

Head size: Medium to wider

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Frame height about 1 3/8 inches (34mm)

4 Pack Rectangle Bifocal Reading Sunglasses SBR2109 flip up sunglasses Lens height about 1 3/4Plastic frame with spring hinges Frame width about 5 5 16 inches (135mm) Lens width about 1 7 8 inches (47mm) Lens height about 1 7 16 inches (36mm) Bridge (DBL) about 1 2 inches (12mm) Temple length about 5 5 16 inches (135mm) 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.