What it is: This reed diffuser is designed to fill any space with a lasting, beautiful fragrance. What it does: It is carefully crafted with the highest-quality alcohol-free, perfume-grade fragrance oils. Santal Rock Rose: The richness of sandalwood is combined with earthy, herbaceous rock rose to create a beautiful wood scent. Earl Grey Bitters: Classic earl grey tea leaves blended with lemon zest, bergamot and peony. 3" x 10" 6.7 oz.