Size: fits all sizes Materials: Wire w/clasp & extra 0-rings to fit wrist sizes. Bloodstone: is a powerful healing stone used for thousands of years for its healing properties. It is often used to purify and detoxify the body. Great at grounding negative energy and cleansing the body, Bloodstone brings love into any situation and helps ground the negative energies surrounding that issue. Carnelian: are stones of action, that will give you the courage and confidence to move forward on a new path in life. Is both an energy booster and an energy stabilizer.