Cinnamon, cloves, ginger, and nutmeg all mix together to create this warm spicey fragrance and potpuorri.  We have included two linen sachet bags that hold a 1/2 cup of potpourri.  Place the sachet on your defroster in your car and as the defroster heats up it scents your vehicle with heavenly spices.  When the scent fades a bit just use a few drops of the refresher oil that is included.
 
NOTE: The vendors that I purchase some of my potpourri ingredients from packages them on machines that also package peanuts and tree nuts.