Bridge(DBL) about 7/16 inches (11mm)

If the both side of the lenses have the protective film

Frame height: 1 9/16 inches (40mm)

Solid Construction: Meticulously built to withstand regular use without succumbing to damage

Bridge(DBL) about 9/16 inches(15mm)

4 Pack Stylish Bifocal Reading Sunglasses SBR2027 Magnification Strength:+3.00 Bridge(DBL) about 7/16 inches (11mm)Plastic frame with spring hinges Frame width about 5 5 16 inches (135mm) Lens width about 1 7 8 inches (47mm) Lens height about 1 1 2 inches (38mm) Bridge (DBL) about 7 16 inches (11mm) 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.