90 cm. With the help of an activated pituitary gland and thus this necklace, you can effectively fight viruses, protect yourself from weakness and fatigue, and alleviate asthma problems. The bull's eye can warm the whole organism and strengthen our vitality. However, we must also have optimism and a good inner attitude. It also has a good effect on blood formation, brings optimism. Cleanses with hematites, charges in the sun.