High quality incense burning charcoal from UK. Larger 40mm size. -- Easy Ignition -- Long Burning -- Smokeless Direction: 1. Hold charcoal (preferably with a tong to keep your fingers safe) 2. As soon as sparkling is evident place on burner 3. Add incense when charcoal glows CAUTION: Ensure burner is placed and remains on a heat resistant surface when in use. Keep out of reach of children and pets.