It's an exotic island escape in the beautiful mix of bright citrus, sweet florals and spicy vanilla. Diffuser oil refill recommended for use with the Yankee Candle Ultrasonic Aroma Diffuser. Infused with essential oils. Just 5 to 7 drops of Yankee Candle Aroma Diffuser Oil provides up to 8 hours of intermittent fragranced mist, or 4 hours of continuous mist The absolutely delicious sweetness of rich, ripe black cherries Fragrance: Top: Citrus, Melon, Berry Mid: Osmanthus Base: Spicy Vanilla, Musk, Woody Notes