ROSEWOOD & LAVA STONE: The car diffusers are made of high quality natural rosewood, volcanic lava stone, creating all natural appealing, each wood pattern is unique from natural. It looks very upscale and cute, which can be a small gift.The car air diffuser wood has 6 holes at the bottom and 5 volcanic rocks in the locket. These design make it easier to store and absorb essential oils, eco-friendly and safe.

No need to Loosen the cover. Just drip 4 drops of your favorite essential oil on top of the wood and wait for the essential oil to be absorbed, then clip it on the exhaust hole of car air conditioner by the vent clip. Then you will smell the scent of your favorite essential oil in the car.

Please notice: inner LAVA STONE available to changed into cotton pads.