Size and weight
To send an item to the U.S. or an international destination that qualifies for Letter-post rates, please meet the following specifications:
What if my mailing item is too heavy or too big to qualify as Letter-post?
It may qualify for one of our parcel services.
What is a self-mailer?
A self-mailer is a piece of mail (other than a card, postcard, magazine or catalogue) that does not have an outer cover, wrapping or envelope.
Want to mail an item within Canada?
Find specifications here.