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国际 运输的限制, Prohibitions, & 有害物质

When you ship something from the United States to another country, you must follow both 美国邮政总局® international shipping regulations 和 regulations of the destination country:

  • Some items are prohibited (completely forbidden).
  • Some are restricted (allowed under certain conditions).
  • Hazardous materials (有害物质), also known as Dangerous Goods (DG), may be prohibited or restricted.

If you're shipping within the U.S.,请参阅 Domestic Shipping Prohibitions & 限制.

提示: 汞 (a silver metal that's liquid at room temperature) is prohibited and can't be mailed internationally, whether by itself; in devices like antique thermometers, 晴雨表, and switches; or as mercury vapor contained in devices like compact fluorescent lamps. 了解更多

梅勒的指导方针

  • If you're not allowed to ship an item in the U.S., you're not allowed to ship it to any other country.
  • Other items are specifically prohibited from being mailed to any other country.
  • 最后, each country has its own rules on what it will and won't allow: Find your destination country in the Individual Country Listings.

运往美国的货物.S. military bases and embassies (APO/FPO/DPO) in foreign countries are treated like domestic mail, but they are still subject to those countries' laws.

All 美国邮政总局 customers are responsible for:

  1. Complying with Postal Service 法规和U.S. related laws and regulations.
  2. Complying with the laws of your destination country.
    • 检查 Individual Country Listings to discover if the destination country permits your item.
    • Know that a country’s size and weight standards may differ from 美国邮政总局 standards.
  3. Packing your package securely and marking it as required. You can take your package to a Post Office location to make sure it is labeled correctly.
  4. Accurately filling out 海关表格 (including more-detailed package descriptions required by countries that follow European Union (EU) customs rules).

Shipping Hazardous Materials (有害物质) & Dangerous Goods (DG) 国际ly

Hazardous materials (also known as dangerous goods) are substances that could injure people or cause damage if not handled properly, like chemicals or flammable items.

有害物质还包括 锂电池 (like the ones in cell phones and electronics); they contain a lot of energy and can be a fire risk.

  • Some 有害物质 is prohibited—you can't send it through 美国邮政总局 and must use another carrier.
  • Other 有害物质 is restricted—you can mail it if you follow all the rules.
  • Some 有害物质 can only be sent in ground transportation—it can't go on airplanes.
  • If you are mailing packages that contain hazardous materials (有害物质), you must separate 有害物质 packages from all other packages and present them in a container marked "有害物质."

If you knowingly mail materials that are dangerous or injurious to life, 健康, 或财产, 每次违规, you face a civil penalty of at least $250 (but not more than $100,000), the costs of any cleanup, 和损害. You may also face criminal penalties.


国际ly Prohibited Items

These items may not be sent from the United States to any country:

  • 气溶胶
  • 安全气囊
  • 酒精饮料
  • 弹药
  • 香烟
  • 干冰
  • 炸药
  • 汽油
  • Hemp-based products (including cannabidiol [CBD])
  • Marijuana (medical or otherwise)
  • 汞, including both liquid mercury (by itself and in older devices, 就像温度计, 晴雨表, and switches) and mercury vapor (found in devices like compact fluorescent bulbs)
  • 指甲油
  • Perfumes (containing alcohol)
  • 毒药

另外, each country has its own rules on what it will and won't allow: Find your destination country in the Individual Country Listings.

国际ly Restricted Items

Restricted items may only be sent out of the United States if they meet 美国邮政总局 domestic requirements 和 shipping requirements of the destination country.

美国邮政总局 Publication 52 - Domestic 限制
Requirements by Country & 位置

Open or Close content below 雪茄

雪茄 may only be mailed to countries that allow cigar shipments.

Individual Country Listings

烟草的限制

Open or Close content below 火化仍

美国邮政总局® is the only shipping company that ships cremated remains (human or pet ashes). You may ship cremated remains internationally (if the destination country permits) but must use 特快专递 国际® 和 appropriate customs form. You are required to use a properly sealed funeral urn as the inner primary container. For the outer shipping package, you must use one of our two 火化仍 Kits or use your own strong, 持久的容器, properly packaged and labeled with 火化仍 Label 139 on all four sides of the box, 加上顶部和底部. Order free cremated remains shipping supplies on 邮政商店®.

Watch How to 船舶火化遗体 Safely Video
Publication 139 - How to Package & 船舶火化遗体
Other Guidelines on Shipping & Packaging 火化仍

Open or Close content below 枪支

Only licensed manufacturers and dealers may mail or receive handguns. Many countries have distinct domestic laws impacting the shipping and receipt of firearms.

Additional Information on Domestic Regulations & Guidelines Applicable to 国际 Shipping
Additional Information on 国际 Shipping Regulations

Open or Close content below 胶水

胶水 have a wide range of flashpoints. Most glues are flammable and combustible and may not be mailed internationally. 胶水 are categorized as “adhesives” in the below resources.

运输易燃 & 易燃液体
Packaging Instructions for 易燃液体

Open or Close content below 锂电池

Only lithium cells and batteries that are properly installed in the equipment they are intended to operate may be mailed internationally or to APO/FPO/DPO locations if the destination country and APO/FPO/DPO permit their receipt.

Prohibited Lithium Battery Shipments

  • Lithium batteries packed with, but not installed in, equipment
  • Lithium batteries sent separately from equipment
  • Damaged or recalled batteries
  • 所有旧的, 损坏的, or defective electronic devices containing or packaged with 锂电池

Shipping 锂电池

Open or Close content below 活的动物

Except in limited circumstances, pets and warm-blooded animals may not go in the mail. Shipments of live animals, 包括家禽, 爬行动物, 和蜜蜂, have very specific packaging requirements. Although you can drop these animals at any Post Office location, they are only shipped when the right transportation is available.

Regulations on Shipping 活的动物
Additional Regulations on Shipping 活的动物 国际ly

Open or Close content below 匹配

安全火柴

Safety matches have treated match heads that will only ignite when struck against a specially prepared surface like a match book, 卡, 或盒子. Safety matches must be sent via ground transportation and cannot be mailed internationally.

Additional Information on 邮件 安全火柴

Strike-Anywhere 匹配

Strike-anywhere matches will light from friction against any surface. Strike-anywhere matches may not be mailed domestically.

Open or Close content below 药物 & 处方药

When sending medicine or drugs through the mail, mailers and shippers must know the characteristics of the items they are sending and treat them correctly. 药物 are controlled substances and are subject to strict regulations. Prescription medications may only be mailed by Drug Enforcement Administration (DEA) registered distributors. Similar regulations apply to some over-the-counter medications.

Shipping Controlled Substances & 药物

Open or Close content below 油漆

Flammable or combustible paint and paint-related items may not be shipped internationally. Latex 油漆 or a similar water-based paint product that is not flammable or combustible is not regulated as a hazardous material, 因此, 不受限制.

Additional Information on 邮件 油漆

Open or Close content below 易腐物品

Perishable items are materials that can deteriorate in the mail, 比如活的动物, 食物, 和植物. Permissible perishable items are sent at the mailer’s own risk. These items must be specially packaged and mailed so that they arrive before they begin to deteriorate.

Shipping Perishable Materials Guidelines

提示: Each country has its own rules on what it will and won’t allow: Find your destination country in the Individual Country Listings.