What are the size and weight limits for sending letters to U.S. and international destinations?

    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: 

    Click to view size and weight limits

    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.