4" × 9"
Standard brochure-rack pocket. Cover weight only, or it slumps.
This size mails as a letter or a flat, not at the postcard rate. Exact USPS dimensions and rates are confirmed per job.
The numbers
| Size | Trim | With bleed | Safe area | Minimum stock |
|---|---|---|---|---|
| 4" × 9" | 4" × 9" | 4.25" × 9.25" | 3.75" × 8.75" | 16pt cover |