Polycarbonate lens, plastic frame without spring hinges Frame width about 5 1/2 inches (140mm) Lens width about 2 7/16 inches (62mm) Lens height about 1 9/16 inches (40mm) Bridge (DBL) about 3/8 inches (10mm) Temple length about 4 15/16 inches (125mm) EYEKEEPER POLARIZED BIFOCAL SUNGLASSES - Sunglasses and reading glasses, all in one. UV400 protective polarized readers and block 100% UVA-UVB harmful rays for superior eye protetion. Hinged Frame, Bifocal Reading Glasses, Reading Sunglasses, Golf 1, Computer Glasses, Shades Sunglasses, Gongs, Sunglasses Men, Spring Hinge