Each tin contains 250ml of fire gel. Fire gel is methanol, a type of alcohol, in solid form. Use fire gel if you want to use you chimenea indoors. Simply place the tin in the chimenea, open the lid and light the gel. One tin will burn for approximately 2 hours. No need to take the gel out of the tin. To extinguish the fire while burning, simply place the lid over the fire; this snuffs out the fire. Can be re-used. Use fire gel as an alternative to making a proper fire in your chimenea, even in the garden. The chimenea will get warm. Use fire gel to light any fires, including chimeneas, BBQs, fire bowls, wood-burning stoves, open fires. Scoop out the gel to light fires. The burning by-product is water. Completely safe to use. Supplied in a re-sealable tin. One tin burns for about 2 hours.