This is a do it yourself oyster and necklace which includes the cage and 18" chain and an oyster to open at home.  The cage and chain are silver plated.  This is a fun item to give for any special day or holiday.  Give someone the excitement of opening an oyster to reveal their very own beautiful pearl.  CAUTION:  Please be careful when opeing the oyster as the shell can splinter and have sharp edges.