Car Vent Clip Cylindrical Essential Oil Car Diffuser Vent Clip comes with 4 fragrance Refill Sticks The top and bottom of our car clips have different sizes of diffuser holes you can rotate the white dot-marked end of our car air freshener to control the concentration of aromatherapy. When you want a faint scent you can turn off the diffusion port by rotating it. The custom car vent clip designed a newly long cylindrical type brings you different visual effects. Drops your favorite essential oil giving you a pleasant mood and slowing down fatigue when you driving. The solid refill stick for cylindrical car diffuser car clip used advanced nanotechnology owns a strong absorption effect and lasting fragrance to purify the air quality inside the car. •Give you a long-lasting aroma experience. For this aromatherapy car diffuser vent clip. You can use them in the Car Office Home Bedroom Bathroom or on your trip and so on. Let your favorite scent will always surround you. Let you stay away from the unpleasant smell and create a charming atmosphere. This new car diffuser vent clip is packaged with an exquisite woven pattern box and a brown yarn bag. Suitable for a nice gift for your family and friends on Thanksgiving day Christmas or Halloween etc. Package included: 1* Black car diffuser vent clip 1* Exquisite woven pattern box 1* Brown yarn bag 4* Refill Sticks Instructions: 1.Apply your favorite essential oil to the refill stick 2.Clip the car diffuser in the air conditioning vents or any other suitable location you like. Care instructions: Please use a soft cloth to clean the car diffuser vent clip. We recommend that each stick uses the same kind of essential oil. How long will the aroma last depends on how much essential oil drops you put on the refill stick and what type of oils you use.