The reeds naturally absorb the oil, drawing the scent to the top of the reeds where the fragrance is released into the air This diffuser comes with reeds and fiber sticks for superior and long lasting performance(30 days) Diffuser Bottles, fiber sticks, all in a gift presented box which makes an ideal gift for housewarming, anniversaries, birthdays These are an efficient, elegant and safe way to fragrance any room in your home or office Fresh scents of nature are delicately blended together with a meadow of Peach with a soft touch of Strawberry to create this welcoming and elegant scent