You're not allowed more than 3.4 fluid ounces of any liquid, nor more total liquid than fits in a one-quart plastic bag. Nonflammable liquid, gel or aerosol paints can be carried, within the limits. Flammable paints of any kind are prohibited.
Metal knives, ice picks, meat cleavers, swords, box cutters or scissors with pointed tips and blades longer than 4 inches are prohibited. They can be placed in your checked baggage.
Baseball and cricket bats, golf clubs, pool cues, hockey and lacrosse sticks, ski poles, bows and arrows and spear guns must be checked.
You may only check pellet, BB and flare guns, firearms and ammunition, starter pistols, compressed air guns, or parts of disassembled guns. Even gun replicas are forbidden.
Tools you may only check include axes and hatchets, cattle prods, crowbars, hammers, drills and their bits, saws, or any other tool longer than 7 inches.
Billy clubs, black jacks, brass knuckles, night sticks, stun guns and other shocking devices, and pepper spray are self-defense items you can't carry on but are allowed to check.
Gel-type candles, gel shoe inserts, and snow globes of any size or type can't go in your carry-on, but you can check them.
The following items prohibited from checked bags are also not allowed in carry-on bags; they will be confiscated at the airport.
Flares and gunpowder, including black powder and percussion caps. Also, don't pack blasting caps, dynamite, fireworks, hand grenades, plastic explosives or realistic replicas of any explosive devices.
Incendiary devices, including realistic-looking replicas, you cannot transport include aerosol products (except toiletries in limited amounts). Don't bring gasoline, gas torches, lighter fluid or other flammable fuels, including those used for cooking.
Lighters are prohibited except with a special exemption from the Department of Transportation. If you're a cigar or pipe smoker, leave the super-hot torch lighter at home. You're allowed one book of safety matches in your carry-on.
Flammable liquid, gel or aerosol paints, spray paint, turpentine and paint thinner are forbidden. So are fire extinguishers and other compressed gas cylinders, liquid bleach and tear gas.
