Here's what other sites are saying:
The Snow Peak Fuel bottle is your key to transporting and using liquid fuel for your liquid fuel stove. White gas is the preferable fuel for liquid fuel stoves, but this bottle can also transport other fuel that some stoves can burn.
Stow fuel in the lightweight, aluminum Snowpeak Fuel Bottle. At only 3 inches wide this bottle is easy to pack, or simply clip it to the outside of your pack with a carabiner - the cap has a loop that's easy to clip.
- Mountain Gear