All Collectionable Patchouli Scented Charcoal Incense Sticks - 50 Sticks Hand Dipped, Charcoal Based Sticks Approximately 12" in length We use charcoal as our base so that you get better and more even burning each time. Our scents are long lasting - One stick in a small room will leave it smelling great for at least 4 hours! Burn Time per stick is approximately 25 minutes Never Leave Unattended. Please burn in a safe place, with an appropriate stick holder only.