Ron 01 round-frame glasses Highlights - Black - Acetate - Round frame - Clear lenses - Logo plaque at the arm - Silver-tone hardware - Straight arms - Curved tips - All glasses from farfetch are sold as non-prescription frames. - These glasses come with a protective case. Imported Composition Acetate 100% SIZE & FIT Measurement Arm Length 5.5 in(14 cm) Bridge Width 0.9 in(2 cm) Lens Diameter 1.8 in(4.5 cm) Total Width 5.8 in(15 cm)