... lighter gas, lighter gas refill, universal butane refill, Tin can 250ml, MSDS certificate, metal nozzle & valve, gas refill,butane gas refill,universal gas refill,lighter gas,butane lighter gas ... BUTANE REFILL,Compostion,Information of ingredient: Chemical NameFormulaCAS NO.Weight (%)ButaneC4H10106-97-897.534PropaneC3H874-98-61.181OTHERS ... PUNCTURE,DO NOT BURN 250ml/135g High quality universal gas can