【Unique Design】Skeletons and Crowns symbolize power and nobility， it will make people full of power 【Material】8mm genuine round black onyx stones with a magnificent CZ Zirconia Crown 【Size】7.5 inches (19cm), comfortable wearing, elastic, fit most people 【Ready for Gifts】Delivered in SEVENSTONE jewelry pouch.Nice gift for birthday,anniversary or any special moments 【Buy with No Risk】30 days exchange or refund guaranteed if you are not happy with your necklaces for any reason