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Yes, you can check a duffel bag at the airport if it fits the airline’s size and weight limits — typically 62 linear inches and 50 pounds for most.

Yes, you can carry solid wax candles in carry-on or checked bags, but gel or liquid candles are restricted by the 3.4-ounce liquid rule.

Yes, you can check a desktop computer in checked baggage, but the TSA recommends carrying laptops and other lithium-battery devices in your carry-on.

No, the TSA prohibits bowling balls in carry-on bags, classifying them as sports equipment that can be used as a bludgeon.

No, 55 liters is a volume, not a size—carry-on eligibility depends on the bag’s specific height, width, and depth versus the airline’s size limits.

Yes, you can check in a carry-on bag, but whether you pay for the privilege depends on why it is being checked — gate checking for space is usually.

Yes, the TSA permits fishing rods in carry-on bags, but most 4-piece rod tubes exceed the standard 22-inch carry-on length limit.

Yes, all major U.S. airlines let you check a car seat for free when flying with a child.

Yes, you can gate check a car seat on most major airlines, and it is generally the preferred method over checking it with your luggage at the ticket.

Yes, you can check a box on Southwest Airlines as part of your two free checked bags, provided it stays within the standard 62 linear inch and 50.