Guide

No, you generally cannot bring a lava lamp in a carry-on because its liquid exceeds the TSA’s 3.4-ounce carry-on limit.

Yes, you can bring liquids in a carry-on bag, but they must follow the TSA’s 3-1-1 rule: containers must be 3.4 ounces (100 milliliters) or less.

Yes, liquid baby formula in quantities over 3.4 ounces is allowed in carry-on bags and is exempt from the standard quart-sized liquids rule.

Yes, standard solid lipstick is allowed in carry-on luggage and is not subject to the TSA 3-1-1 liquids.

Yes, the Transportation Security Administration (TSA) explicitly allows license plates in both carry-on and checked baggage.

Yes, fresh lemons are permitted through TSA in both carry-on and checked bags as solid food items, exempt from the 3.4-ounce liquid rule.

Yes, leis from Hawaii are generally allowed on mainland-bound flights once declared for agricultural inspection.

Yes, you can generally bring an LED face mask on a plane, but if it contains a lithium battery.

Yes, you can bring large, full-size bottles of shampoo in your checked baggage, since the TSA’s 3-1-1 liquids rule only applies to carry-on bags.

No, knives are generally not allowed in carry-on luggage, but they can be packed in checked bags.