Use backflow aromatherapy incense to recharge your energy. These cones are designed in such a way that the smoke cascades down to enhance the beauty of the burner and scent your home longer. Once you light your incense cone it begins to smoke, the incense is heavier than air and it swirls and twists through the special backflow burner hole and onto the object , to accumulate at the bottom. It's an amazing and very relaxing show. For backflow incense holder see below. Sold in a box containing 12 cones Made in India. Superior quality from Stamford