Dimensions
Groupe Hamelin can of course provide bespoke envelopes of different design, colour and finish.
However, there are standard international sizes, following standard ISO 269 and designed for use with ISO 216 standard paper sizes.
These international standard sizes are:
| Format | Dimensions (mm) (depth x width) |
Suitable for content format |
| DL | 110 x 220 | 1/3 A4 |
| C7/C6 | 81 x 162 | 1/3 A5 |
| C6 | 114 x 162 | A6 (or A4 folded in half twice) |
| C6/C5 | 114 x 229 | 1/3 A4 |
| C5 | 162 x 229 | A5 (or A4 folded in half once) |
| C4 | 229 x 324 | A4 |
| C3 | 324 x 458 | A3 |
| B6 | 125 x 176 | C6 |
| B5 | 176 x 250 | C5 |
| B4 | 250 x 353 | C4 |
| E3 | 280 x 400 | B4 |
