Thank you for viewing. Scent: Sandalwood / Smoke: Average Burning Time: Approximately 12 hours The burning time is an average value under conditions of no wind and a temperature of 20-28 degrees Celsius. It may vary depending on usage conditions such as humidity, temperature, and wind. Product Size: Box size: W100 x L100 x H34mm, Quantity: 10 rolls Weight (g): 115 (g) The heart of mourning sent to heaven... Spiral incense for the first seven days Spiral incense was developed with the purpose of keeping incense burning for seven days (the first seven days) from the day of the deceased's passing. This product is a companion to the family's mourning heart.