Postal Explorer > IMM Issue 36 - International Mail Manual > 2 Conditions for Mailing > 230 Priority Mail International > 236 Weight and Size Limits
Maximum girth (measured along diameter): 64 inches.
The maximum size limit for rectangular-shaped parcels of 42 inches in maximum length and 79 inches in maximum length and girth combined applies to all countries except as follows:
Canada
Hong Kong
Maximum length and girth combined: 108 inches.
Andorra
Luxembourg
Austria
Macao
Azerbaijan
Malta
Belgium
Netherlands
Denmark
New Zealand
Finland
Norway
France
Poland
Germany
Portugal
Gibraltar
San Marino
Great Britain and Northern Ireland
Slovak Republic (Slovakia)
Greece
Spain
Ireland
Sweden
Italy
Switzerland
Japan
Vatican City
Liechtenstein