Made of stainless steel to last. this  aroma diffuser has a large metal clip on the back to afix it to your vehicle vent. Inside of the diffuser, a large felt disk is placed, moistened with your favorite essential oil,  When you choose to change the oil scent, you can wash and dry the felt disk.  Using this beautiful diffuser will allow  your vehicle to smell fresh and clean. odors.  You may choose from our three styles:  filigree design, batman or cross. Vehicle Aromatherapy Diffusers