Originally Posted by sweatybetty
Can You Ship It?
Some common hazardous materials include…
Flea collars or flea sprays
Fuels or gasoline
Items previously containing fuel
Not sure if what you’re sending is hazardous or prohibited?
Just call 1-800-ASK-USPS or your local Post Office
Originally Posted by MikeCr
I've already been on their site and it hasn't helped me figure out if model fuel is allowed or not. And as I already said, I've been to the local post office and they can't tell me either. From what I was able to find out online I need to find out what the flash point of the fuel is as that will determine whether it's allowed or not. Maybe a hobby shop can help with that.
"Fuels or gasoline" seems pretty self explanatory to me. You should call the 800 number and see what they have to say.