Backflow incense cones: Palo Santo incense waterfall burner cones are used for creating smoke waterfall in the special burner meant for such cones. The burner is not included but this bundled listing includes a mat to protect surface from getting damaged from residual oil and ash. Cone incense burner is not included but this bundled listing includes a mat to protect surface from getting damaged from residual oil and ash. Gift Set: This is a box of 12 packs. In each pack there are 10 backflow incense cones. Inciensos aromaticos - Incenses are popular in almost every culture. Traditionally incenses were used for religious and sprituality puposes and for negative energy cleansing. Now a days incenses are used more as home fragrance products and are also common in witchcraft supplies. Backflow incense cones - Our incense cones are non toxic all natural organic and herbal. All incense are handcrafted in India according to traditional customs using minimal tools and almost no machinery.