Carry on baggage
Yes
Checked baggage
Yes
Hand warmers: (carbon-based or air-activated): Certain powders and granular materials in your carry-on are limited to a total quantity of 350 ml or less (roughly the size of a soda can).
Attention
Certain powders and granular materials may require additional screening, and in some cases, the items may not be permitted. We recommend that permitted powders and granular materials that are not required during your flight be placed in checked baggage.
Exemptions on baby food or formula, life-sustaining medication, and sacred or spiritual items may apply.