The Car Jar® Ultimate neutralizes unpleasant odors and freshens the air in your car or small space, leaving only your favorite Yankee Candle® fragrance! The Car Jar® Ultimate fragrance level is specifically formulated to shrink when it is time to replace. When the fragrance shrinks below the label, it is time for a new one. Only the finest premium quality ingredients infused with natural essential oils to create distinctive "true-to-life" scents. Hang from mirror in car, or in any small space that needs fragrancing.