A Guide to Pairing Postcards & Envelope Sizes
Learn how to pair postcard sizes with the right envelopes for clean presentation, smooth mailing, and predictable postage. Pairing the right postcard and envelope improves presentation and mailability. Common postcard sizes like 4″ x 6″, 5″ x 7″, and 6″ x 9″ each require specific envelope types. Envelopes should be slightly larger than the postcard …
