This premium car diffuser is perfect for your car. With several fragrances, the diffuser helps keep your car smelling fresh for longer. Enjoy a pleasant scent in your car with this easy to use diffuser. You remove wooden top, remove stopper and put several drops into wooden top, replace stopper and wooden top and hang. After about 1.5-2 weeks repeat the process to keep the scent going. 7 ml container. Several colors will ship random.