Vanilla Crumb Cake provides a rich, bold fragrance reminiscent of a homemade nutty vanilla cake, with notes of caramel and sugar. Scent Notes • Top: Italian Orange, Absolute Blossom, Powdered Sugar • Middle: Raw Vanilla, Tonka Bean, Brown Sugar • Base: Vanilla Bean, Amber, Buttercream Product Details Each Fresh CarGo® is made from fragrance-infused paperboard and hangs from a rearview mirror. Replace when the fragrance strength is no longer noticeable. Fresh CarGo® Hanging Car Scents last from weeks to months, depending on the power of the fragrance and the size and average temperature of the automobile. Do not leave your Fresh CarGo® laying on any surface, as each has some degree of essential oils in the fragrance formula, which can damage delicate surfaces, including but not limited to wood, plastic, delicate fabrics, synthetic carpets, etc.