There are limits set for items you wish to bring into the U.S. Liquors are limited to one liter per adult, and Tobacco products are limited to one carton per person over the age of 18. For additional items, consult a U.S. Customs Agent before crossing into Mexico.
Upon entering the U.S. from Mexico, certain articles are either prohibited or subject to various quarantines, limitations or special permit requirements. Those articles include all narcotics or drugs, weapons, certain trademarked articles, most fruits, vegetables, plants, animals, birds and meats, and products made from the hides, shells, feathers, or teeth of endangered species.
The Mexican and U.S. Customs offices are available 24 hours a day to answer any questions at (520) 287-1410 or visit their website at www.cbp.gov.
You may also the local offices in Nogales, Arizona at (520) 885-0694 for more information.