Perfume Diffuser Locket Necklaces are a new addition to our jewelry selection at Countryside Gardens. Each necklace contains a felt pad ready for your favorite perfume or essential oil. History offers some strange claims about these necklaces including: Purification and disinfection of the air against all forms of virus, pathogens and bacteria. Sets the mood and impact for aromatherapy.A focus of energy and concentration of positive health aura. Tangible reduction of stress and anxiety and the spreading the sweet fragrance inside and outside the home.