【Japan Domestic Flights】

Since most passenger aircraft have adequate pressurization in the cargo hold, as well as the cabin, it is unlikely that the container will expand due to differences in atmospheric pressure. However, there is a possibility that the container may be damaged by impact, so it is recommended that the container be placed in a plastic bag when brought on board an airplane, just in case.

【International Flights】

Although it is not allowed to be carried as baggage, it is possible to use it as checked in baggage.In this case, it is recommended to put the container in a plastic bag just in case it is damaged by the impact of other baggage.