These fuel bottles are designed specifically to accept the threads on MSR fuel pumps and to easily handle the pressurization you need to efficiently operate liquid fuel stoves. Specs 11 OZ 20 OZ 30 OZ Width (Standard) 2.5 in 2.9 in 3.1 in Weight (Standard) 4.3 oz 5.9 oz 7.7 oz Length (Standard) 2.5 in 2.9 in 3.1 in Height (Standard) 7.4 in 9.4 in 11.3 in Volume (Metric) .325 liters .591 liters .887 liters Country of Origin Made in China Made in China Made in China Volume (Standard, fl oz) 11 fl. oz 20 fl. oz 30 fl. oz