These Charcoal Arabian tablets are ideal for burning resins, herbs, incense granules or hookah/shisha. To use is easy, light an edge and it will light across the complete surface and stay lit until it has burnt out. Each clean burning charcoal piece will last up to 60 minutes. Ensure that you place the charcoal tablet on a heatproof or ceramic surface for safety. 10 tablets per roll / 8 Rolls per boxEasy to useEach tablet last up to 60 min.Foil wrappedEasy to use easy to buy, click above. ??