This is an interchangeable necklace with either the harmony bell for a beautiful sound or a lava disk to wear your favorite essential oil scent. It is a tradition in many countries that an expectant mother wears one so the baby in the womb can be soothed by its sweet soft sound. Your angels will be protecting you with this beautiful necklace. This Flower of Life necklace set includes the Flower of Life pendant, a purple harmony bell, lava bead for aromatherapy, & 31" silver plated brass chain.