What Size Envelope Do I Need?
What Kind Of Envelope Do I Need?
Harper Office stocks a comprehensive range of envelopes for every requirement.
We have created the below guide to help you identify the envelopes you are looking for. If you can't find the envelope you are looking for please call us at 1 (941) 499 1574 or contact us.
Our full range of envelopes can be found by following this link.
Business Envelopes
Size |
Width x Height (in) |
Width x Height (mm) |
| 6 3/4 | 6.5 x 3.625 | 165.1 x 92.1 |
| 7 | 6.75 x 3.75 | 171.5 x 95.3 |
| 8 5/8 | 8.625 x 3.625 | 219.1 x 92.1 |
| 9 | 8.875 x 3.875 | 225.4 x 98.4 |
| 10 | 9.5 x 4.125 | 241.3 x 104.8 |
| 11 | 10.375 x 4.5 | 263.5 x 114.3 |
| 12 | 11 x 4.75 | 279.4 x 120.7 |
| 14 | 11.5 x 5 | 292.1 x 127 |
🡹 Click on the sizes above to be taken straight to our comprehensive range of envelopes
Catalog Envelopes
Size |
Width x Height (in) |
Width x Height (mm) |
| 1 | 9 x 6 | 228.6 x 152.4 |
| 1 3/4 | 9.5 x 6.5 | 241.3 x 165.1 |
| 3 | 10 x 7 | 254 x 177.8 |
| 6 | 10.5 x 7.5 | 1266.7 x 190.5 |
| 10 1/2 | 12 x 9 | 304.8 x 228.6 |
| 12 1/2 | 12.5 x 9.5 | 317.5 x 241.3 |
| 13 1/2 | 13 x 10 | 330.2 x 254 |
| 15 | 15 x 10 | 381 x 254 |
| 15 1/2 | 15.5 x 12 | 393.7 x 304.8 |
🡹 Click on the sizes above to be taken straight to our comprehensive range of envelopes
Bubble Mailers
Size |
Width x Height (in) |
Width x Height (mm) |
| 000 | 4 x 8 | 101.6 x 203.2 |
| 00 | 5 x 10 | 127 x 254 |
| 0 | 6.5 x 9.5 | 165.1 x 241.3 |
| 1 | 7.25 x 12 | 184.15 x 304.8 |
| 2 | 8.5 x 12 | 215.9 x 304.8 |
| 3 | 8.5 x 14.5 | 215.9 x 368.3 |
| 4 | 9.5 x 14.5 | 241.3 x 368.3 |
| 5 | 10.5 x 15.25 | 266.7 x 387.35 |
| 6 | 12.5 x 19 | 317.5 x 482.6 |
| 7 | 14.25 x 20 | 361.95 x 508 |
| CD | 7.25 x 8 | 184.15 x 203.2 |
🡹 Click on the sizes above to be taken straight to our comprehensive range of envelopes
