✋ Hand luggage
Empty cup: no restriction. Cup containing a baby/toddler drink: exempt from the 100ml rule. Declare at the checkpoint.
🧳 Hold luggage
Permitted.
Based on TSA guidance for United States. Official rules ↗
Sippy cup / toddler cup rules by country
How carry-on and checked-bag rules for sippy cup / toddler cup compare across the 14 countries we cover.
Sippy cup / toddler cup
Common questions
Yes, if it is for a baby or toddler. Infant and toddler drinks are exempt from the 100ml liquid rule. Declare it at the checkpoint.
Yes. Empty cups go through security freely and can be filled at a water fountain or café airside.
Yes. Both breast milk and formula, as well as other baby/toddler drinks, are exempt from the 100ml rule.
Related items
Browse all Baby & Family →Based on official United States security guidelines. Rules vary by airline and route — always verify with your carrier before travel. · Rules last verified May 2026.