Gift the power to take your favorite aromatherapy everywhere with our aromatherapy locket necklace. Includes: Material: Stainless Steel Length: 22" Locket: 20mm 12 interchangeable felt pads and gift box Packaged in a gift box To Use: 1. Open the denture on the side. 2. Insert a felt pad 3. Add 3-5 drops of favorite oil or a combination of different oils 4. Close and heat of the body will warm up the oil and diffusion will occur throughout use.