Items Not Allowed In Carry On Bags
Last Tuesday, I watched a man at TSA hold up the entire security line for almost ten minutes because he had packed a full-size bottle of expensive cologne in his carry-on. The...
Last Tuesday, I watched a man at TSA hold up the entire security line for almost ten minutes because he had packed a full-size bottle of expensive cologne in his carry-on. The regret on his face was priceless. He just kept whispering, "But it's Lalique."
And honestly? I've been there. We all have. That moment when you realize the security officer across from you does not care about your philosophy on liquids.
So let's talk about the stuff you absolutely cannot bring in your carry-on bag — before you end up like poor Lalique Guy at Gate 4.
Must Read
Liquids Over 3.4 Ounces: The Classic Trap
Let's start with the big one. Any liquid, gel, or aerosol that exceeds 100 milliliters (that's about 3.4 fluid ounces, for those of us who still live in ounces) is a no-go.
Your shampoo, lotion, perfume, or that fancy face cream? Sorry, leave it behind or pack it in checked luggage. (Yes, I know it feels absurd. We've all accepted this.)
Fun fact: even if the bottle is almost empty, if it says 10 ounces on the label, they'll take it. TSA doesn't do half-measures.
Sharp Objects: Not as Clever as You Think
Knives, box cutters, razors with detachable blades — they all stay home. You might think your little pocket knife is innocent, but security sees it differently.
Scissors are tricky too. Those with blades longer than 4 inches will get snatched at the checkpoint. (R.I.P. your crafting supplies.)
And please, don't try the old "hide it inside a book" trick. They've seen that a thousand times.
Sal Vulcano With Wally Baram at Northrop on Oct. 23, 2026
Lighters, Matches, and Anything Flammable
Here's where things get a little ironic. You can't bring a lighter through security, but some airlines actually let you carry one onboard after you pass the checkpoint. The rules are a weird puzzle, aren't they?
Strike-anywhere matches are completely banned in both carry-on and checked luggage on domestic flights. Gas lighters? Also not welcome at the security line.
I once saw a guy bring a can of camping fuel to the airport. Again — full-size camping fuel. The TSA agent just stared at it and said, "Really?"
Sports Equipment and Tools
Baseball bats, golf clubs, hammers, wrenches — these are checked luggage only. No exceptions, even if your bat has emotional value.
Sharp or heavy tools like screwdrivers and drills also fall under this rule. A carry-on isn't your traveling toolbox.
If you must bring tools for work, check them. Simple as that — unless you enjoy that lovely TSA stare I mentioned earlier.
Top 5 tips For Carry-On Luggage Packing - Chalo Australia
E-Cigarettes and Vapes: A Gray Area
Vapes are generally not allowed through TSA checkpoints. You also cannot use e-cigarettes on the plane. That part's pretty straightforward.
However, they can go in checked luggage — as long as they're powered off and batteries are protected. (Airlines have rules about loose batteries too, so check yours.)
The airport itself might have different rules than the airline. Always double-check before you puff.
Gel-Style Food and Baby Items
Yogurt, peanut butter, and hummus might be delicious, but they technically count as liquids or gels. Yeah, peanut butter is a liquid in TSA math.
Some exceptions exist for medically necessary items and baby food after security screening, but don't count on it during rush hour.
Related: that perfectly smoothie you blended an hour ago also qualifies. Traveling with toddlers gets complicated fast.
What Are Not Allowed In Carry On Luggage at Richard Montejano blog
Batteries and Power Banks
Loose lithium batteries and large power banks over 100 watt-hours are flagged at checkpoints. You can bring smaller ones, but not oversized power banks.
Never pack spare batteries in checked luggage — they're a fire hazard in the cargo hold. Always keep them in your carry-on.
And if your power bank is between 100 and 160 watt-hours, you need airline approval before you even show up.
Final Thoughts: Why This Matters
I know this list feels long, annoying, and sometimes downright strange. But knowing the rules saves you time, money, and an awkward conversation with a very unimpressed officer.
So the next time you're packing, remember poor Lalique Guy and his $200 bottle of cologne. Don't be him.
Check the TSA website, pack smart, and enjoy the flight. Safe travels, friend!
