Specification: Size: 1.0 X 0.35 In Burningtime: 10 Mins How to Use: Hold the incense cone with tweezers and light it from the tip. Place the lighted incense cone on the top of the incense fountain smoke waterfall burner, and the bottom of the incense cone is aligned with the small hole of the incense burner. Package List: 50/100 X waterfall incense cones Notes: Smoke only converge in still air, please place backflow incense waterfall holder in windless circumstance. The principle of the backflow is the high content of tar which has a greater density than air in smoke, so there'll be tar deposit on the bottom of the holder after several times. 【Ancient Tradition】: Incense burning is an ancient tradition with a history of thousands of years. Now it is loved by many people and has become a popular way to relax. 【Relaxation and Decompression】: When you return home from a day's hard work, light up the incense cones and watch the incense mist flow down like a waterfall, the air is filled with fragrance, you will feel refreshed and happy, forgetting tiredness and worries. 【Easy to Use】: Put the burning incense cone in the top of the backflow incense burner, and after 10 seconds, you can see the beautiful smog slowly flowing down.