This bracelet is made with a 12mm black onyx stone and 6mm tigers eye and black tourmaline bead stones. It fits wrist sizes 6 to 7 comfortably and is quality tested for durability. Beneficial in yoga, meditation, chakra balancing, reiki and energy work. Black Onyx Black onyx can help release negative emotions such as sorrow and grief. Black Tourmaline Black Tourmaline is a powerful stone for protection against negative energy of all kinds, as well as being a strong spiritual grounding stone. This stone is a powerful asset to your health, as it not only removes the negative energy but by changing it to positive energy it has an excellent effect on your well being. Tigers Eye Stone is a powerful stone that aids harmony and balance, and helps you to release fear and anxiety. It stimulates taking action, and helps you to make decisions with discernment and understanding and is known to give you courage, self-confidence and strength of will. It enhances creativity and is one of the stones that aid kundalini awakening.