CERAMIC MATERIAL: The backflow incense burner is made of ceramic material, handmade and noble. Flush the incense burner body with boiling water, and the stain on the burners will be removed.Use on Many Occasions: It Can Be Used to Incense in the Living Room, When Visitors Come to Visit It, It Can Create a Comfortable Atmosphere and Purify the Air.Backflow Incense burner must work in a windless environment.INCENSE - Our incense cones has better smelling and long lasting.Colour:blackMaterial:ceramicsPackage Contents:1 x incense burner160 x incense cones1 x mat1 x tweezersOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.