If your shipment cannot be sorted with mail processing equipment because of its size, shape, content, or address legibility, then additional charges may apply.
U.S. Postal Service
If you are shipping with Parcel Post, you may need to select the "irregular or unusual" option. For all other USPS shipping services, additional charges will be calculated automatically or they do not apply.
You should select the "irregular or unusual" option if you are using Parcel Post and any of the following about your package is true.
A parcel longer than 34 inches
A parcel higher or wider than 17 inches
A glass container with more than 24 ounces of liquid
A metal container with one or more gallons of liquid
A plastic container with one or more gallons of liquid
An insecurely wrapped parcel
Books, printed matter, or business forms weighing more than 25 pounds.
A high-density parcel weighing more than 15 pounds and exerting more than 60 pounds per-square-foot pressure on its smallest side.
A film case weighing more than 5 pounds or with strap-type closures, except any film case the USPS authorizes to be entered as a machinable parcel and to be identified by the words "Machinable in United States Postal Service Equipment" permanently attached as a nontransferable decal in the lower right corner of the case.
UPS
If you are shipping with UPS and any of the following apply, you should select the "irregular or unusual" option.
The longest side of your package is over 60 inches or the second longest side is over 30 inches.
The package is encased in an external shipping container made of metal or wood
The package is a cylindrical item, such as a barrel, drum, pail, or tire that is not fully encased in a corrugated cardboard shipping container.
A $5 handling fee will be added to the shipping charge. Learn more about large UPS Packages. Note: If you select the "irregular or unusual" option in the shipping costs section, the surcharge will not be shown on the seller shipping calculator. However, it will be shown correctly in your listing and when the buyer pays for your item.