Anti-Scratch & EMI anti-static coating included on all Single Vision and Progressive lenses Handmade acetate and stainless steel construction Two 24k gold plated stainless steel three barrel hinges on each temple for maximum durability 24k gold plated metal accents Black split to black and white onyx frame Black and white onyx acetate temples 9FIVE Signature logo laser engraved on outer right and left temples  Black lenses