Brand: S'FACTORY S'FACTORY Stingray Long Wallet Material: Stingray leather This rare part, found only once on each stingray, is the organ that detects light. It's called the "Stingray Heart" or "Star Mark" and is said to ward off evil and purify the heart. It's also considered auspicious in feng shui, known as the "Eye of Heaven" or "Eye of God," and is believed to bring good luck. Please understand as shown in the images. Thank you for your purchase.