Frankincense & Myrrh Incense comes in 3 packages of 15 for a total of 45 sticks. Each stick last approximately 30 to 45 minutes. 11" sticks The Priest of the old testament used Frankincense to sprinkle on the sacrifice for the sin offerings. Myrrh was used for purification. As you burn the incense of Frankincense you are submitting yourself over in repentance of sin and purification.