... .Clean and odourless 2.Safty and non-toxic 3.Longer burning time 1,This product is made from Bio. Raw material ... ,It is non-toxic,no odour and ash, smokeless during burning.3,It can be reduplicativr using till the fuel burns ... can last buring about 3hours.The sound is like realistic wood burning.6,When open and convert the tincan, the fuel won ...