THESE ARE UNSCENTED. ONCE PURCHASED, you will have to come in store to scent for $1.50

New Car Scent Lava Rock Vent Clip. Lava rocks form when magma from volcanoes solidifies. They have grounding and calming properties that will ease any stress caused by a difficult commute. Add drops of essential oil to the lava stone as desired, then clip the diffuser onto a car vent.