Can I Bring Self-Defense Sprays on a Plane to United States?
Self-Defense Sprays
Allowed
Checked only
According to TSA guidelines, checked only. One 4 fl. oz. (118ml) max. Must have safety mechanism. Max 2% tear gas (CS/CN). Check with airline as some may not allow.
The final decision rests with the TSA officer on whether an item is allowed through the checkpoint. Official TSA Rules →
Quick Rule
Carry-on baggage
Not Permitted
Checked baggage
Allowed
TSA Officer
Makes the final decision
Source: Official TSA Regulations ↗Updated: May 20, 2026
Also known as
self defense spraymacepepper sprayOC spraydefense spraytear gas spray
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