Express your personal style and stack with your favorites. Our Seal of The 7 Archangels Protection Ring Amulet Metatron is copper-plated. In sacred geometry, Archangel Metatron, the angel of life, oversees the flow of energy in a mystical cube known as Metatron's Cube. This cube contains all of God's geometric shapes and represents the patterns that makeup everything God has made. It is sizable to style.