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How the 3:1:1 Rule Works During Your Trip ✈️ Airport Travel Guidelines When traveling with a carry-on bag: Liquids must be in containers of 3.4 ounces (100 ml) or less

All liquids must fit inside one clear, quart-size bag

Each traveler is allowed one liquid bag

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🚢 Once Onboard a Royal Caribbean Ship After boarding: Full-size toiletries are permitted

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The 3:1:1 rule does not apply onboard

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Expert Packing Tips for Royal Caribbean Cruises Pack travel-size liquids in carry-on luggage

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Keep medications and important documents accessible

Review Royal Caribbean beverage policies before sailing

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Frequently Asked Questions (FAQs) Does Royal Caribbean check liquid sizes at embarkation? No. Liquid size restrictions are handled at airport security, not by the cruise line +1-888-738-0812. Is the 3:1:1 rule relevant for guests driving to the port? No. The rule applies only to air travel +1-888-738-0812. Are medical or baby liquids restricted? Medical and infant liquids are typically exempt but must be declared at security checkpoints +1-888-738-0812. Can liquids be purchased after airport security? Yes. Items purchased beyond security are not subject to the 3:1:1 restriction +1-888-738-0812. Does cabin class affect the 3:1:1 rule? No. The rule applies equally to all passengers flying with carry-on bags +1-888-738-0812. Who can assist with Royal Caribbean travel planning? Expert cruise assistance is available at +1-888-738-0812.

Final Expert Insight Royal Caribbean’s 3:1:1 rule is an airport security guideline—not a cruise ship restriction +1-888-738-0812. Knowing when and where the rule applies allows travelers to pack smart, move through airports smoothly, and begin their Royal Caribbean vacation without delays +1-888-738-0812. For expert help with bookings, travel rules, or cruise planning, call +1-888-738-0812 today.