• 100% UVA / UVB Protection • 6 Base CR39 Lenses • 6 Base Acetate Frame • Comes with Black Flys soft case. • Size 56 - 18 - 140 Transition Lenses are custom cut, and non-refundable. They do not get as dark as a real sunglass either. Handmade frames are constructed from custom made/hand selected acetate, producing a smoother texture and richer look and feel.