Buy 1 get 1 free!! Simply add the two necklaces into a bundle!! Pendent holds diffuser pads that you can drop your favorite essential oils on. I love peppermint and eucalyptus for energy, and lavendar at bedtime! Pendent closes with a magnetic snap. Chain approx 12". Comes with three pads: black blue or teal. Made with a zinc alloy metal. Note: diffuser pad colors may vary, but I can work with you to try and get you the color you want. Homeopathic organic natural alternative holistic