The fancy arrowhead necklaces are hung on an adjustable black cord. The arrowheads are approximately 2.5" to 3" long by 1" to 1.5" wide. The necklace is adjustable and hangs about 13.5" (not including the arrowhead) at its loosest setting.
You will receive arrowhead necklaces that look similar to ones shown, but not the exact ones in the photos.