MULTIPLE OPTIONS: Looking to add a bit of fragrance to your car, this is the perfect stylish car freshener; in over 10+ scents you can find the perfect fit for your car. ENDLESS FRAGRANCE: This diffuser will last 30 - 90+ days depending on frequency of use. The strength of the fragrance is completely up to you too, just tip the bottle whenever you need to refresh the scent! REUSABLE JAR: Our car diffusers are completely reusable, so after all the scent is gone you can order a refill or use any fragrance or essential oil to reuse the bottle again.