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Types of Envelopes
Square Envelopes
Square envelopes are often used for announcements, advertising, specialty greeting cards and invitations.
Square envelopes command attention with their unique shape, modern square flap and durable side seam construction.
Note: Additional postage may be required.
Order NowSquare Envelope Sizes
| Item | Inches | Millimeters |
|---|---|---|
| 5 Square | 5 x 5 | 127 x 127 |
| 5 1/2 Square | 5.5 x 5.5 | 140 x 140 |
| 6 Square | 6 x 6 | 152 x 152 |
| 6 1/2 Square | 6.5 x 6.5 | 165 x 165 |
| 7 Square | 7 x 7 | 178 x 178 |
| 7 1/2 Square | 7.5 x 7.5 | 190 x 190 |
| 8 Square | 8 x 8 | 203 x 203 |
| 8 1/2 Square | 8.5 x 8.5 | 216 x 216 |