
The world of international shipping can be complex, but understanding USPS shipping restrictions by country is a great place to start. Many countries have specific rules and regulations regarding what can be shipped, so it's essential to know what's allowed and what's not.
For instance, some countries have restrictions on shipping perishable items, such as food and plants, while others have specific regulations for shipping hazardous materials. It's crucial to research the specific restrictions for your destination country to avoid any issues.
If you're planning to ship packages to countries in the Middle East, be aware that some countries, like Saudi Arabia and the UAE, have restrictions on shipping certain types of electronics, including laptops and tablets. These restrictions are in place to prevent the importation of unauthorized or counterfeit goods.
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Sending Internationally
Before you start shipping internationally, it's essential to check the International Service Disruptions page to ensure USPS is accepting packages to your destination country.
First, you need to know what you can and can't send to that country. Check the general International Shipping Restrictions and Prohibitions page for a list of prohibited items.
You can compare USPS International Shipping Services to find the best option for your needs. For example, if you have a package that weighs over 4 lbs, you'll want to use Priority Mail International. If you have a package (or large envelope) of items worth less than $400 and weighing less than 4 lbs, First-Class Package International Service is a good choice.
Some countries use different address formats, so make sure to get specific information about other countries' postal addresses by visiting the Universal Postal Union and clicking "Postal Addressing Systems (PAS)".
Import restrictions can vary widely from country to country, and it's essential to be aware of the distinction between "prohibited products" and "restricted products". Prohibited products are strictly forbidden to be imported, while restricted products may be imported under certain conditions.
Here's a quick rundown of what you need to consider when shipping internationally:
Remember, shipping products internationally requires compliance with both customs & trade rules as well as market restrictions by product. These regulations vary by country and can be complex to interpret.
Preparation and Limits

Before sending a package internationally, it's essential to understand the weight and size limits set by the USPS. These limits vary depending on the service you choose and the destination country.
The maximum weight limit for Priority Mail Express International is 70 pounds, while First-Class Package International Service has a weight limit of up to 4 pounds.
When using your own box for international packages, you must stick to specific size limits. For First-Class Package International Service, the maximum length is 24 inches, and the combined maximum length + height + thickness is 36 inches.
Here are the size limits for international packages:
Remember to check the destination country's weight and size limits, as they may be lower than the USPS limits.
Step 1: Sending Details
Before you start packing, it's essential to check the International Service Disruptions page to ensure USPS is accepting packages to your destination country.
First, you need to determine what you can send, how much of it, and what shipping services you can use. This information varies by country, so it's crucial to check the specific requirements.
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The International Service Disruptions page is a must-check before sending any packages internationally. It's like checking the weather forecast before embarking on a trip – you want to know if there are any disruptions that might affect your plans.
To get started, you need to know what you're not allowed to send to that country. You can find this information by checking the general International Shipping Restrictions and Prohibitions.
Here are some key things to consider:
It's also essential to compare USPS International Shipping Services to determine the best option for your needs. For example, if you have a package that weighs over 4 lbs, you'll want to use Priority Mail International.
Size & Weight Limits
When shipping internationally, it's essential to understand the size and weight limits for your package.
The USPS has different maximum weight limits for various international package services. Priority Mail Express International, for example, has a maximum weight limit of 70 pounds for a mailing box priced by weight.

For First-Class Package International Service, the maximum weight limit is a more modest 4 pounds. This is the same for First-Class Mail International, but for large envelopes (flats) only.
Large envelopes for First-Class Mail International must be rectangular, flexible, and uniformly thick, with a maximum size of 15" x 12" x 3/4" and a weight limit of 15.994 oz.
If your large envelope exceeds these size limits or is rigid or lumpy, it will be charged the First-Class Package International Service price.
If you're using your own box, you must stick to the following size limits: for First-Class Package International Service, the maximum length is 24", and the combined maximum length + height + thickness is 36".
For other international packages, the length plus total girth of your package must be under 108". This can be a bit tricky to measure, but it's essential to get it right to avoid extra charges.
Here's a quick reference guide to the maximum weight and size limits for various USPS international package services:
Remember to check the International Mail & Shipping Services Page for more details on weight and size limits and other restrictions.
Import and Export Rules
Import and export rules can be complex and vary widely from country to country. Import restrictions can prohibit or restrict the importation of certain products, and it's essential to understand the difference between prohibited and restricted products.
Prohibited products are strictly forbidden to be imported into a country due to safety, health, or environmental concerns. These products cannot be imported under any circumstances.
Restricted products, on the other hand, may be imported if they comply with additional regulations. They require stricter scrutiny and often need licenses, certificates, or permits to be imported.
Importing products internationally requires compliance with both customs and trade rules, as well as market restrictions by product. Failing to follow these regulations can result in products being seized or even returned to the sender.
Some countries prohibit the importation of certain products, such as cosmetics, while others restrict the ingredients or concentration levels. It's crucial to research the specific regulations for each country before shipping products internationally.
Prohibited Products
Internationally, there are certain items that are strictly forbidden to ship from the United States to any country. These include aerosols, air bags, alcoholic beverages, ammunition, cigarettes, dry ice, explosives, fresh fruits and vegetables, gasoline, hemp-based products (including cannabidiol [CBD]), marijuana, mercury, nail polish, perfumes containing alcohol, and poisons.
Aerosols, such as hairspray and spray paint, are a common item to avoid shipping internationally.
In addition to these items, each country has its own rules and restrictions on what can and cannot be shipped. It's essential to find your destination country in the Individual Country Listings to ensure you're aware of any specific regulations.
Some countries may have stricter rules than others, so it's crucial to research the specific regulations for your destination country.
Here are some examples of commonly prohibited items in international shipping:
- Firearms, ammunition, and firearm accessories are heavily restricted or prohibited.
- Drugs, narcotics, and certain medications, including CBD, are generally not allowed to be shipped internationally without proper authorization.
- Products of Animal Origin (POAO), such as fresh or perishable food items, pose safety risks and are subject to strict customs regulations.
- Pet food and treats are often made from animal parts that could carry diseases, making them a high-risk item for international shipping.
It's surprising how many everyday items can be considered prohibited or restricted when shipping internationally.
Sources
- https://www.usps.com/international/shipping-restrictions.htm
- https://www.usps.com/international/preparing-international-shipments.htm
- https://www.uspis.gov/news/scam-article/prohibited-restricted-and-non-mailable-items
- https://www.uspsoig.gov/reports/audit-reports/prohibited-inbound-international-mailings
- https://passportglobal.com/blog/prohibited-and-restricted-items-in-international-shipping/
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