Envelopes
Letter-Sized Envelope Specifications
| Parameter | Minimum Value |
Maximum Value |
|---|---|---|
| Width | 6.37" (162mm) |
10.50" (266mm) |
| Depth |
3.50" (89mm) |
6.50" (165mm) |
| Throat Depth |
.25" (6.35mm) |
1.49" (37.846mm) executive 1.61" (40.894mm) other |
| Paper Weight |
70 gsm |
90 gsm |
| Flap Depth |
1.20" (30mm) |
2.50" (63mm) with +/- 1/4" (35mm) of center 1.85" (47mm) outside +/- 1/4" (35mm) of center |
| Curl/ Wrap |
1/16" (3mm) measured while holding flap in flat surface at the crease line |
For more information, or if you have questions, contact Postal Services at (920)424-1145.
