The natural properties of magnetic hematite were known to be used by the ancient Egyptians and Greeks.They produced artefacts and jewellery primarily in the belief that this mineral may relieve pain, aid blood flow,enhance energy and calm emotions.Wearers of pacemakers and pergnant women should avaoid wearing this product.There are a variety of beautiful designs available to suit all styles.All bracelets are on strong elasticated bands to fit all sizes.