Backflow Incense Burner/Holder Features: Material: Ceramic Made of ceramic material, handmade and noble. Suitable for home, office, study room, yoga room, teahouse, meditation, etc. Used in home, warm and comfortable, reflects your elegant taste. Lit a incense, clean air, refreshing, maintain a pleasant body and mind. Exquisite workmanship, can be a classical furnishings, with meditation and aid-sleeping effect. The Backflow Principle: Because the density of smoke is heavier than the air density, smoke stream from the high down like a waterfall. How to Use Backflow Incense Burner: Choose a flat, windless place, Lit up the top of the backflow cone, burn it fully in case you have to lit it again Place it on the incense burner, and wait a few minutes, the smog will slowly stream down, a dreamlike waterfall shows. How to clean the Incense Burner: Flush the censer body with boiling water, and the stain on the censer will be removed. Package included: 1 x Backflow Incense Burner 20 x Backflow Incense Cone 30 x Incense Stick