Anti-Scratch & EMI anti-static coating included on all Single Vision and Progressive lenses Handmade acetate and stainless steel construction 24k gold plated stainless steel five barrel hinges for maximum durability 24k gold plated metal frame inlay, temple segments, and temple caps Black split to black marble acetate frame Black marble acetate temples 9FIVE Signature logo laser etched on outer right and left temples Black lenses