IRIS Backflow Incense Cones are designed to be used with Backflow Incense Burners. The smoke from the Backflow Cones flows from the back, creating an illusion of a smoky waterfall. IRIS Backflow Incense Cones come in 3 assorted fragrances – Rejuvenation, Relaxation and Meditation. The pleasing and long-lasting fragrance create a calming atmosphere that is perfect for Meditation, Yoga and Relaxation.IRIS Backflow Incense Cones are made by empowered women using pure ingredients which are certified Generally Regarded As Safe (GRAS) materials. All our fragrances comply with International Fragrance Association (IFRA) standards.Pack contains 30 Nos of Backflow Incense ConesSpecification: Item Shape – Cones No of Cones – 30 nos Burning Time – 15 Mins Directions for Use:Ignite a backflow incense cone and let it burn for 4-6 seconds. Gently extinguish the flame by blowing or fanning. With a red glow, the cone will let out smoke. Place it on a backflow incense cone holder.The smoke flows from the back of the cone and creates an illusion of a smoky waterfall.Safety Instructions:Handle the cone with care when lighting or removing it as it tends to get hot. Carefully place it on the holder on a heat resistant surface. Keep it away from flammable materials and out of reach of children and pets. Do not leave the burning cones unattended. Incense cones are not edible.