RB Stack Skull .925 Sterling Silver Harley Biker Mens Earrings HIGHEST QUALITY 100% SOLID STERLING SILVER. STAMP .925 TRADEMARK ON THE EARRING, MADE IN THAILAND FIRST CLASS STERLING SILVER JEWELRY, NICELY POLISHED. EARRING WEIGHT :6mm.COME WITH RED RUBY STONES ON THE SKULL EYES. AN ELEGANT, RETAIN STERLING SILVER 925 EARRINGS.