This is a very funky mushrooms with a bronze crescent moon necklace. It measures 3/4" long from the top of the jump ring, an 5/8" wide and is solid sterling silver. It is roughly the size of a dime. It comes on an 18" chain which can be substituted for a different length. Just send us a message and let us know! We have 16", 18", 20" and 24" available.