Betterdecor Feng Shui Obsidian Pi Yao Bracelet Amulet for Wealth and Good Luck (With a Pounch) the sale is for one Obsidian bracelet and a pounch with "Betterdecor" Logo printed on it Adjustable string, high quality bracelet Material : Obsidian Size of Pi Yao about : 0.75 Width x 1.35" in length. Obsidian can obsorb the negative energy from people's body, so it is good for health to wear obsidian jewelry