Rosy Rings Botanical Reed Diffuser 13 Oz. - Oak Moss & Myrrh comes in a dramatic square bottle generously filled with highly concentrated fragrance and real spices, fruits & botanicals. It is alcohol-free.The 13 oz. bottle comes with a decorative wooden cap and 10 reeds. Estimated fragrance time is 6-9 months. Soft & earthy oak moss and resinous myrrh are enveloped in a smoky-rich cloud of Japanese incense and cedarwood embers.. The diffuser includes cassia vera, feather ferns, larkspur flowers, rose petals, essential & high quality fragrance oils.