It's on the IATA dangerous goods list, with pretty much the same wording: https://www.iata.org/contentassets/6fea26dd84d24b26a7a1fd5788561d6e/dgr-62-en-2.3a.pdf

It's on the IATA dangerous goods list, with pretty much the same wording: https://www.iata.org/contentassets/6fea26dd84d24b26a7a1fd5788561d6e/dgr-62-en-2.3a.pdf https://www.iata.org/contentassets/6fea26dd84d24b26a7a1fd578... Attaché cases Security-type attaché cases, cash boxes, cash bags, etc. incorporating dangerous goods, such as lithium batteries and/or pyrotechnic material, except when authorized by the airline, are totally forbidden. https://www.emirates.com/english/before-you-fly/travel/dangerous-goods-policy/ https://www.emirates.com/english/before-you-fly/travel/dange... For what it's worth the FAA doesn't like these either: https://www.faa.gov/hazmat/packsafe/security-type-equipment https://www.faa.gov/hazmat/packsafe/security-type-equipment