Will it fly?
Can you bring Pepper Spray on a plane?
Coop checked the book. Here's the ruling for Pepper Spray:
CARRY-ON
No
CHECKED BAG
Yes
What the TSA says
One 4 fl. oz. (118 ml) container of mace or pepper spray is permitted in checked baggage provided it is equipped with a safety mechanism to prevent accidental discharge. Self-defense sprays containing more than 2 percent by mass of tear gas (CS or CN) are prohibited in checked baggage. For more information, visit faa.gov . We recommend checking with your airline as some may not allow this item in checked bags.
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Based on official TSA guidance. The final decision rests with the TSA officer at the checkpoint.