Stunning genuine porcupine spikes create this lightweight, natural beauty. Porcupine quills naturally fall off porcupines and these spikes were collected at a local farm. Spikes measure 2.5-4 inches. Each spike is unique, thus your specific spike with vary in color and pattern from those pictured. Most spikes contain both black and white gradient. Brass chain measures about 28 inches, depending on length of spike. These are not available for purchase outside the US due to customs regulations on shipping animal products.