This is the most magical MERMAID Essential Oil Pendant Diffusing Necklace with a sea foam green Volcanic Stone you will ever own . It is such a beautiful mermaid design and it includes 1 sea foam green volcanic stone to apply your favorite essential oil on. All you have to do is put a few drops of your favorite ESSENTIAL OIL on the VOLCANIC STONE and off you go. Now you will be able to smell and enjoy all of the benefits of your essential oils all day by wearing this beautiful diffusing necklace. It is brand new - never been worn - comes with a very nice chain 46cm (18 inches) - and 1 sea foam green volcanic stone.