Do you need special stamps for wedding invitations?

There is no rule that wedding invitations need special stamps. You can use any standard stamp. The main thing is to make sure your envelope is the right size and weight for the postage you pay.

If your invitation is a standard A5 or A6 card in a normal envelope, a first or second class stamp will usually cover it. But if you add extra inserts like a map, a reply card, a separate evening invite or thick card stock, the weight goes up. Large square envelopes also cost more to post.

The safest way is to take one fully assembled invitation to the Post Office and ask them to weigh it. They will tell you the exact postage. You can then buy the right stamps for the rest. Overpaying is better than underpaying, because underpaid mail may be returned to you or delayed.

If you are sending invites abroad, you need international stamps or a postage label from the Post Office. Rates vary by country and weight, so check each destination. For a big guest list, you might prefer to use a printing service that includes postage, but that is up to you.