The Heart charm is hair on hide one side and leather the other side. Each charm is stitched together. The charm can be hung from the rear view mirror, placed under the seat, or just about anywhere in the automobile, trailer, camper, home, barn, the possibilities are endless. Cowhide color will vary. The charm is reSCENTited by misting the hair side of the charm with one of our many specially formulated scented oils. These oils can by purchased here on the website. 1-2 sprays on the Cowhide side at a time as needed! 1 Bottle should last up to a year.