Smuggling aside, they generally won't make it through customs: https://www.help.cbp.gov/s/article/Article-1815?language=en_US https://www.help.cbp.gov/s/article

Smuggling aside, they generally won't make it through customs: https://www.help.cbp.gov/s/article/Article-1815?language=en_US https://www.help.cbp.gov/s/article/Article-1815?language=en_...