[Unique Rotating Design]The top and bottom of our car clips have different sizes of diffuser hole, you can rotate the white dot-marked end to control the concentration of aromatherapy. When you want a faint scent, you can turn off the diffusion port. [More Choice]According to different scent preferences, our car diffuser vent clip has included 12 refill sticks that absorb and dispense any desired essential oil or perfume with longer lasting fragrance allowing you more aroma choice over your vehicle's fragrance. [ Exquisite Design]The custom car vent clip designed a newly Long cylindrical type brings you a different Visual effects. Drops your favorite essential oil giving you a joyable mood and slowing down fatigue when you driving. [Widely compatible]Silicone wrapped clip to avoid scratching the car vent but can clamp firmly.not limited to use in the car, suitable for universal vehicle vents,easy to install.but also for bathroom, office,kitchen,bedroom, pet houses and more [Great gift]This car diffuser vent clip is a nice gift for your family and friends at any occasion. Continuous fragrance,essential oil solid Aromatherapy Natural freshness,the requirement of the quality of life begins with the details The solid incense stick does not leak, and it is not worried about the car's sudden brake or bumps. The perfume liquid leaks out and corrodes the car decoration. It is resistant to high temperature and does not melt. It adopts nano-absorbent cotton swabs and melts without exposure to high temperatures. Soaked with imported plant essential oils, it is healthy and harmless, and there is no hidden danger. Easy to use: Just drop your favorite essential oil on the unscented stick and load it into the aroma diffuser, then you just clip the car diffuser on the car's vent. colour:black Material:metal size: