Shoyeido Incense Xiang Do Assortment 12 different rich, aromatic fragrances to sample and enjoy. Uses a pressed incense process exclusive to Shoyeido, delivering a focused and beautiful atmospheric scent. 20 Sticks and a biodegradable holder come in a convenient dispensing box. Approximate burn time per stick (7 cm, about 2.75" long) is 20 minutes. All Natural - Pure aromas... No bitterness, no synthetic oils or fragrances. Shoyeido incenses are made in and imported from Kyoto, Japan using 300 year old and exclusive family-owned recipes.