What size box can you ship internationally with USPS?
Packages: If you're using your own box, you must stick to the following size limits (note that country limits may be lower): First-Class Package International Service: Maximum length is 24”, and combined maximum length + height + thickness is 36"You can send up to 4 lbs using Priority Mail International Flat Rate Envelopes and Small Flat Rate Boxes, and up to 20 lbs. using Medium and Large Flat Rate Boxes. (See all Priority Mail International Flat Rate Products.) Postage prices start at $30.90.Maximum weight for Medium and Large Priority Mail International Flat Rate Boxes is 20 lbs. Maximum weight for packages sent by weight is 70 lbs. Some countries have lower weight restrictions. When sealing a Flat Rate Envelope or Box, the container flaps must be able to close within the normal folds.

Can you ship to a PO box internationallyIt's possible to ship to P.O. boxes in Puerto Rico and some international destinations via FedEx Express. In these cases, you'll be required to provide a valid telephone, fax or telex number.

Do I need a special box to ship internationally

You can use your own packaging and envelopes with First-Class Mail International. The pricing for First-Class International is based on the destination of the shipment. Any packages or envelopes that weigh more than 1 lb. must be accompanied by a Customs Form for USPS.USPS® international mail services go to more than 180 countries, including Great Britain, Canada, Japan, Mexico, and Australia. Global Express Guaranteed®, Priority Mail Express International®, and Priority Mail International® services include international tracking and some insurance.

What is the largest size box USPS will take

The maximum size for most mailpieces is 108 inches in combined length and girth. USPS Retail Ground pieces may measure up to 130 inches in combined length and girth (but will be charged oversized prices). Regardless of the size of the mailpiece, the maximum mailable weight of any mailpiece is 70 pounds.

When it comes to shipping large boxes internationally, FedEx or UPS is likely to be your best option. As long as your box doesn't exceed the weight and size restrictions below, FedEx or UPS will be able to ship your large box to almost any destination. 150 lbs. 165 inches in length and girth combined.

What box should I use for international shipping

Corrugated cardboard boxes

Corrugated cardboard boxes are the best choice when shipping internationally. The box should be slightly bigger than the item. Insert foam padding and packing peanuts to fill up empty spaces inside the transporting box.USPS Priority Mail is the cheapest way to ship a large package. To obtain the lowest rate you must use USPS Priority Mail branded packaging. If you need faster delivery, both UPS Simple Rate and FedEx One Rate give you more choices. The faster the delivery, the more you will pay.If you get packages that don't fit into your PO Box, you'll either: Get a slip to pick them up from the counter during normal business hours. Get your package from a secure parcel locker (including USPS® Smart Lockers at select locations) at your convenience.

USPS does not limit you in terms of frequency or the size of the package, if the package you receive does not fit in the mailbox, USPS will simply place a key in your post office box which will grant you access to a bigger post office box at the office.

What boxes to use for international shippingOne thing you don't have to worry about though, when it comes to international shipping, is what to ship your product in: the corrugated cardboard box is ideal. It is, without doubt, the best external packaging there is and we'll let you know exactly why in a moment.

What is the cheapest way to ship a package to JapanUSPS is generally the cheapest way to ship large packages to Japan from the US. The carrier's flat-rate service ensures that you pay only for the size of the box and not its weight.

How much does it cost to ship a box to Japan

Cost & Delivery Speeds For Shipments To Japan From The US:

USPS offers flat-rate box transport to Japan ranging from $40.55 to $106.55 for delivery within 6 to 10 days. And we calculated the following fees using each carrier's pricing calculator for a constant instance of a 2.2 lbs package in November 2021.

The Postal Service™ maximum mailpiece weight limit is 70 pounds and the maximum dimension (length plus girth) is 130 inches. Any item exceeding either of those measurements is nonmailable.An ordinary parcel too large to fit into a customer's mailbox is not left unless the customer has filed a written order with the postmaster relieving the USPS and carriers of all responsibility in case of loss or depredation of any such parcel left outside the box.Maximum Size

USPS Retail Ground pieces may measure up to 130 inches in combined length and girth (but will be charged oversized prices). Regardless of the size of the mailpiece, the maximum mailable weight of any mailpiece is 70 pounds. Some classes of mail have lower weight limits.