Emma Davis Print Production Specialist at 4OVER4.COM
Emma is our prepress and print production voice, built from the knowledge of our production team, with over 20 years in printing.
Question
What is a Side Seam envelope and how does it differ from a Diagonal Seam envelope?
Answer
The seam is where the back panels of an envelope are folded and glued. Invitation A-sizes use side seams, while most commercial envelopes use diagonal seams.
| Seam type | Typical envelopes |
| Side seam | A2, A7, and other A-size invitations |
| Diagonal seam | #9 regular, #10 regular, and commercial sizes |
- Side seams leave a clean, flat back that suits printing and formal looks.
- Diagonal seams are the standard for everyday business mailing envelopes.
Ready to order?
Get your invitations printed at 4OVER4
