Aromatherapy Diffuser Locket Necklace (Silver Petals In the Sun) Add 2-4 drops of your favorite essential oil (to preference) for a gradual release throughout the day! Works great with perfumes or essential oils Stylish pendant with chain makes a great gift for any occasion Essential oils and Perfumes not included Includes two (2) cotton pads (1" diameter) so you can try out your new diffuser without having to add anything but the fragrance