Each Decoder wheel provides a quick and easy reference to working with aromatherapy by simply turning one of the four dials. The Aromatherapy Basic Decoder wheel includes uses and properties of thirty-six essential oils. Turn the disks and find the properties traditionally associated with each of the featured Essential Oils. For more specifics on how much of each oil to use, you might wish to also try the Advanced Aromatherapy Decoder.
Approximately 6" x 6" x 1/4".