70Pcs Glass Bottle Smoke Backflow Incense Cones

Name: 1 Glass Bottle backflow incenseMaterial: natural wood powder, natural claySpecifications: about 60 grains / bottle, high about 2.8cm, width of about 1.4cmTime: about 10-15 minutes or soSuitable: Buddha Hall, bedroom, room, office, restaurant, health club, hotel etc.