Can unopened cans go through airport security?

You can only bring liquids under 3 oz through security. So if the unopened drink is 3oz or less, then you can bring it through. If the drink is more than 3oz, then you have to check it, drink it, or dispose of it before going through security.



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Carbonated beverages are allowed in checked bags, but they may explode due to changes in air pressure. Carbonated beverages are not allowed in carry-on luggage because bottles and cans are larger than 3.4 ounces.

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Yes, you may pack food in your carry-on or checked bag, but remember all food must undergo x-ray screening. Foods that are liquids, gels, or aerosols must comply with the 3-1-1 liquids rule. TSA officers make the final decision on whether certain items are permitted into the secured areas of the airport.

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Foods you can't pack in your carry-on
Think: creamy cheeses, liquid chocolate, liquid coffee, creamy dips and spreads, gravy, honey, hummus, ice cream, jam, jelly, juice, syrup, peanut butter, salad dressing, sauce, salsa, soda, soup and yogurt.

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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.

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Liquid or gel food items larger than 3.4 oz are not allowed in carry-on bags and should be placed in your checked bags if possible. TSA officers may instruct travelers to separate items from carry-on bags such as foods, powders, and any materials that can clutter bags and obstruct clear images on the X-ray machine.

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Can I bring back alcohol back to the United States for my personal use or as a gift? Generally, one liter per person may be entered into the U.S. duty-free by travelers who are 21 or older. Additional quantities may be entered, although they will be subject to duty and IRS taxes.

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Checked Bags: Yes
Passengers flying from Hawaii, Puerto Rico, or the U.S. Virgin Islands to the U.S. mainland cannot take most fresh fruits and vegetables due to the risk of spreading invasive plant pests. For more prohibited items, please go to the 'What Can I Bring?'

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Can you take food through airport security? Are you allowed to bring your own food/snacks on board a plane, or eat your own meal while waiting for your flight to depart? Yes, you are! Did you know that (in theory) you can even take a cheeseburger with you?

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There's a reason for it, it's not just made up. Salt water is considered mildly corrosive - aka may rust things. Sure, most of the metal in a plane is aluminum (and now carbon composite in the 787 and A350), but not all of it.

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Placing these items in the small bag and separating from your carry-on baggage facilitates the screening process. Pack items that are in containers larger than 3.4 ounces or 100 milliliters in checked baggage. Any liquid, aerosol, gel, cream or paste that alarms during screening will require additional screening.

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Toothpaste is considered a liquid by the TSA (Transport Security Agency), even though it's technically a paste. In fact, all pastes, gels, waxes, and lotions are also classified as liquids. And even today, these substances are still restricted by the 3-1-1 rule in hand luggage due to safety threats.

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Examples of prohibited items are dangerous toys, cars that don't protect their occupants in a crash, bush meat, or illegal substances like absinthe and Rohypnol. Restricted means that special licenses or permits are required from a federal agency before the item is allowed to enter the United States.

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