Contains: - 1 x Yankee Candle Sleep Diffuser - 1 x Yankee Candle fragrance refillHow To Use: Insert the refill directly into the diffuser and enjoy 30 nights of relaxing fragrance (based on 8 hours of nightly use on lowest intensity setting). A relaxing lavender and eucalyptus scents, sweetened with a touch of vanilla. Top: Bergamot, Petitgrain, Eucalyptus, Lavender Mid: Freesia, Jasmine, Coconut, Sage Base: Cedarwood, Vanilla, Musk Top note is the initial impression of the fragrance, middle note is the main body of the scent and base is its final impression.