Frank is made of a natural material called Mazzucchelli Acetate
a non-allergic natural resin made in Italy since 1849. The frame
and temples are held together with silver hinges. Frame is
adaptable to any prescription lenses. The lenses are made of
organic CR39 with UV400 tinted coated with scratch protection.
Dimensions are 50mm x 18mm x 140mm.
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