This answer covers Brazil → Vietnam. The rules can change depending on where you're flying from and to — check this item for your exact route.
Liquid Limits focuses on airport security and liquid-like travel items. Separate customs, import, airline, or destination laws may apply. CBD, alcohol, medicine, food liquids, and dangerous goods may need official destination guidance beyond airport security. What this site covers and doesn't cover.
Related guides
Packing checklist for this trip
A short checklist for this trip — pack what you need to stay within the rules above.
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More travel questions
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Frequently asked questions
Can I take jam from Brazil to Vietnam?
Jam: We haven't confirmed a current cabin-liquid rule for airports in Brazil, so pack to 100ml containers as a conservative fallback unless your departure airport confirms a larger allowance. Jam counts as a spread/gel — at a 100ml checkpoint a normal jar is over the limit (labels show grams, so check the jar's capacity). The cabin rule at the departure airport in Brazil is what matters.
Can I pack jam in cabin baggage?
We haven't confirmed a current cabin-liquid rule for airports in Brazil, so pack to 100ml containers as a conservative fallback unless your departure airport confirms a larger allowance. Jam counts as a spread/gel — at a 100ml checkpoint a normal jar is over the limit (labels show grams, so check the jar's capacity).
Can I put jam in checked luggage?
Jars can go in checked luggage. Wrap in clothes and double-bag in case of breakage. Checked luggage avoids the cabin liquid limit, but it doesn't change customs or food-import rules at your destination.
Is jam subject to the 100ml liquids rule?
As conservative packing advice for jam, use containers of 100ml (3.4oz) or smaller in a clear resealable bag (quart-size at US checkpoints, usually 1L elsewhere). Check your departure airport's current liquid rules before flying; some airports allow larger containers, and otherwise larger containers may need checked luggage.
Do I need to declare jam at customs in Vietnam?
Separate customs or import rules may apply when you arrive. Check official customs guidance for your destination.
LiquidLimits.com is a travel planning tool, not an official airport or government source. Rules can change between trips and between terminals. Always check the official airport or aviation security guidance before you travel, and when in doubt pack to the stricter 100ml cabin-bag rule.