round-frame glasses round-frame glasses from SAINT LAURENT EYEWEAR featuring jet black, round frame, clear lenses and straight arms. These glasses come with a protective case.. All glasses from FARFETCH are sold as non-prescription frames.. Made in Italy Composition Acetate 100% SIZE & FIT Measurement Arm Length 5.7 in(14.5 cm) Bridge Width 0.6 in(1.5 cm) Lens Diameter 2.1 in(5.5 cm) Total Width 5.7 in(14.5 cm)