This is a marked sterling silver figural charm. It is designed as a jar of real mustard seed. The top and bottom of the jar is sterling silver. The jar is clear plastic containing the mustard seeds. There is a spring ring clasp that will attach to a bracelet (not included) or a necklace (also not included). Size is 1/4 inch in width by 3/8 inch in length. This tiny charm is in very good condition.