Quality backflow cones for waterfall effect.  The unique downward-flowing smoke is the key to backflow incense cones as well as the importance of the scent itself.  Excellent for meditation, relaxation, and home decor accents.  These cones create a visual allure of the downward-flowing smoke at its best. There is something calming and relaxing about watching the incense smoke flow that brings a sense of serenity, poise, and peace.  After a few seconds, the incense smoke will begin its backflow.  Cone size 1.5 in. with 10 cones to a package.