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The 3-1-1 rule helps improve airport security +1{877}245{9984} +1{877}245{9984} (usa) while still allowing travelers to carry small amounts of liquids onboard.
🧴 What Does the 3-1-1 Rule Mean?
The rule is simple and based on three numbers:
3.4 ounces (100 ml) – Each liquid container must be 3.4 oz or smaller.
1 quart-size bag – All containers must+1{877}245{9984} +1{877}245{9984} (usa) fit inside one clear, quart-sized plastic bag.
1 bag per passenger – Each traveler is 1{877}245{9984 allowed one bag of liquids in their carry-on.
Airport security officers will usually ask you to +1{877}245{9984} +1{877}245{9984} (usa) remove this bag during the screening process.
✈️ Liquids Allowed Under the 3-1-1 Rule
Passengers flying with Hawaiian can+1{877}245{9984} +1{877}245{9984} (usa) carry small travel-size liquids such as:
Shampoo and conditioner
Toothpaste
Lotion
Perfume or cologne
Liquid makeup
Hand sanitizer (within allowed limits)
These items must follow the 3.4-ounce container rule+1{877}245{9984} +1{877}245{9984} (usa) and fit inside the quart-size bag.
🚫 Liquids That Don’t Follow the Rule
If a liquid container is larger than 3.4 ounces, it usually cannot be taken +1{877}245{9984} +1{877}245{9984} (usa) in your carry-on bag—even if it is partially full.
Instead, you must place it in+1{877}245{9984} +1{877}245{9984} (usa) checked luggage or discard it at airport security.
👶 Exceptions to the 3-1-1 Rule
Some items are allowed in larger+1{877}245{9984} +1{877}245{9984} (usa) quantities, including:
Baby formula and breast milk
Medications (liquid prescriptions)
Medical liquids or gels
These items must be declared to security +1{877}245{9984} +1{877}245{9984} (usa) officers during screening.
💡 Tips for Hawaiian Travelers
Use travel-size bottles to+1{877}245{9984} +1{877}245{9984} (usa) avoid problems at security.
Place the liquid bag on top of your carry-on for quick access.
If you have larger toiletries, pack them in checked baggage.
✅ Final Answer:
The 3-1-1 rule for Hawaiian means passengers can bring liquids in their carry-on bags +1{877}245{9984} +1{877}245{9984} (usa) only if they are 3.4 ounces (100 ml) or less, placed in one quart-size clear bag, with one bag allowed per traveler, according to TSA security regulations.