This is the perfect necklace for fall and winter, it is Sterling silver and comes on a 16” Black Onyx strand with a 2" removable extender. The actual charm is 2.5” long and 5/8” wide. It lays perfectly on the neck! Please Click Here if you would like a different length. The French Wire Black Onyx Earrings with Sterling Silver accent are about 1” long. Iolite Bead is about 8mm.