Model code RX7217 8260 BIO BASED MATERIAL 
Ray-Ban RB7217 Chad Optics Bio-Based eyeglasses are an alternative way of making eyeglasses. The frame of the series is made with bio-acetate having 67% bio-based carbon content derived from plant-based sources, resulting in a frame has the same features of the traditional acetate frames. These frames are paired with black temples and clear lenses.
Hinge to hinge
134mm
Lens height
39.8mm
Bridge width
52 22 mm
Temple Length
145mm
Frame Shape
Rectangle
Frame colourTransparent 
Frame material
Acetate
Temple colour 
Crystal