Carry-On Bags
The FAA recommends passengers be allowed one carry-on bag plus
a personal item, such as a purse or briefcase, but exact limits are set
individually by each airline.

Typically, the maximum size for a carry-on bag is 45 linear inches
(Height + width+depth).

Check with your travel agent or airline for information on carry-on
luggage restrictions.

Pack prescription drugs (In original containers with a copy of the
prescription), personal hygiene items, passports and important
documents in your carry-on bag.

Bring toys and books for the kids.  Travel should be fun, and there's
no better way to use the time at the gate than reading to your child.

You cannot carry on sports equipment that could be used as a
weapon, such as golf clubs, bats, pool sticks, ski poles or hockey
sticks.

You will not be allowed to carry on any cutting or puncturing
instruments, including knives, scissors, metal nail files, or box cutters.

Do not wrap gifts to carry on.

Consider packing small loose items in a clear plastic zip-type bags.
DO NOT Pack or carry on the following:

Fireworks, signal flares or other explsives.
Flammable materials (including matches)
Drain cleaners or solvents.
Pressure containers spray cans, butane fuel, scuba tanks, propane
tanks or CO2 cartridges).
Weapons (i.e., firearms, ammunition or mace).
Other hazardous materials, such as dry ice, gasoline-powered
tools, wet-cell batteries, camping equipment with guel, radioactive
materials, poisons or infections substances.
For exceptions to these rules, see http://cas.faa.gov/these.html.