Specification: Material: Pollen, wood flour High: 3cm Bottom diameter: approx.1cm Maximum diameter: approx.1.3cm Burning Time: About 10 minutes each backflow incense Storage: place in cool, dark, dry place, incense will be more pure along with time pass Features: - Use for home, patio, backflow incense burner, deodorization, rituals, office, Yoga, birthday parties, special occasion, romantic moments. - Place in cool, dark, dry place, incense will be more pure along with time pass.About 10 minutes burning time for each incense cone. - Our special cones were manufactured to be used with a backflow incense burner holder. Package Included: 200 X Backflow Incense Cones (Sandalwood/Green Tea/Jasmine/Lavender/Rose/Osmanthus/Cherry Blossom/Wormwood - Each 40Pcs)