Brass chain has a genuine porcupine spike at the end, creating a lightweight, natural beauty. Porcupine quills naturally fall off porcupines, and the spikes were collected at a Georgia farm. Spikes measure 2.5-4 inches. Each spike is unique, thus your specific spike will vary in color and pattern from those pictured. Most spikes contain both black and white gradient. Necklace measures about 28 inches, depending on length of spike.