The Calm Me diffusers are carefully crafted with the highest quality fragrance oils and are designed to continuously fill your home with a calm, luxurious fragrance. Includes 6 rattan reeds to release scent continuously. For best results, use all 6 simultaneously. Place reeds into the oil, then allow 24 to 36 hours for the fragrance to diffuse for the continuous scent experience. Fragrance will last for around four months.