SAFE, No Flames, Exothermic Reaction Heats up to 2 Packets of MREs.
VERY lightweight, only weighs 50g each!
Good for traveling where no open flames are allowed.
Warning Gets Very hot up to 90 Degrees Celsius
50g test report:
it could reach more than 60 degrees for 19mins
And the top degree is 90 ，keep about 7 mins，then goes down at 8th minute ，and keep lower in 12mins to 60 degree