Clean Cotton Car Jar Air Freshener Bring some warming beauty to your car with this fragrant air freshener from Yankee Candle. The fragrance consists of sun-dried cotton combined with green notes, white flowers and a hint of lemon, all of which combine to conjure a familiar and comforting feeling of freshness. This car jar fragrance will be at its best for up to a month and is perfect for hanging from the rear view mirror, ensuring your car smells great on the inside. A fun and inexpensive gift for anyone who drives.