Perfect for relaxation and meditation, these Black Opium sticks will fill your room with a warm and calming aroma. Each stick burns for approximately 45 minutes. And with 20 sticks in a pack, you’ll get hours of blissful, calming fragrances. Instructions 1. Place your incense stick in an appropriate incense burner that will collect the ash as it falls. 2. Trim the stick as necessary to ensure a proper fit. 3. Light the end of the incense stick until a flame is established. 4. Gently extinguish by blowing or fanning out the flame.