¦It burns with controlled fire, hence it will warm the food but not burns the food. ¦It burns with pleasant blue flame (also known as blue flame gel fuel). ¦It does not leave soot, smoke, and does not blackens the utensils. ¦It is odourless, transparent Gel fuel. ¦It burns completely without any physical residue. ¦It burns without noise (splutter-free).