Designed specifically to accept the threads on MSR fuel pumps, these fuel bottles easily handle the pressurization you need to efficiently operate MSR's liquid fuel stoves.. . Created from a single piece of aluminum. Durable construction. Air-tight seal for less leaking and cracking. Holes added to bottle cap shaft for smoother, more controlled pouring and to prevent spills. Child-resistant packaging (CRP) cap. Bolstered shoulder and base to prevent bulging when pressurized. Packed Weight: 1.6 oz.. Measures 2.5 x 7 inches. Volume: 0.325 liters (11 fl. oz.). Made in Seattle, USA. ?. . WARNING Can expose you to diisononyl phthalate, which is known to the State of California to cause cancer. P65Warnings.ca.gov