This bundle comes 6 car diffusers, a variety from the above photos.  They were 5 for $30, now clearanced to 6 for $20!
 
These little beauties clip right into your car vents.  Add your favorite essential oil to the felt pad, turn up your car fan and create an aromatherpy experience right in your car!  A little peppermint to help keep you awake?   A little lavender to help calm you down?  A little orange to improve your mood?
 
These make great high quality yet inexpensive gifts! Buy some little sample bottles and gift a bit of your  favorite oil with these diffusers.