Ceramic Temple Backflow Burner + Incense Holder - One Piece SIZE: 5in x 4in x 3in Handmade 'Waterfall' Backflow Incense Burner is made of Ceramic material, high beauty and elegance. Unique and easy to use. HOW TO USE: Place the lighted backflow incense cone on the censer hole. Smoke falls like a waterfall, the scene like flowing water, beautiful and moving. Create a mesmerizing and relaxing effect.