THESE HAVE A 18G POSTS ON THESE WITH A 3.5MM BACK DISC.  THESE HAVE A REAL STERLING SILVER MANDALA FLOWER WITH FAUX TURQUOISE STONE.  YOU CAN CHOOSE BETWEEN A 1/4" INCH  OR 9/32" INCH (7MM) POST LENGTH. REAL HIGH QUALITY AND fit nicely.   * Excellent Quality * * Brand New * THIS AND ALL MY JEWELRY IS NEW AND HAS NEVER BEEN WORN.  THE PICTURE DOES NOT DO THIS PIECES JUSTICE.  SL 033 TQ (SIZE)