| Certifications & Standards | USPS |
| Closure | Self-sealing, Gummed Flap |
| Color | White |
| Color(s) | White |
| Custom Imprint Included | No |
| Envelope Size | 6 x 9 |
| Envelope/Mailer Type | Catalog/Clasp Mixed Colors |
| Expansion | No |
| Exterior Material(s) | Paper |
| Features | Security Tint, Moisture Resistant |
| Finish | Wove |
| Format/Border | Standard |
| Global Product Type | Envelopes/Mailers-Catalog/Clasp Mixed Colors |
| Mailer/Envelope Size | #28, 6" Width x 9" Length |
| Mailer/Envelope Weight | 28 lb |
| Material | Kraft |
| Opening | Open End |
| Post-Consumer Recycled Content Percent [Nom] | 0 % |
| Post-consumer-waste% | 0% |
| Pre-Consumer Recycled Content Percent [Nom] | 0 % |
| Product Line | SELF-SEAL |
| Product Name | Columbian SELF-SEAL All-Purpose Catalog Envelope |
| Product Type | Catalog Envelope |
| Recycled Content | 0% |
| Seam Type | Center |
| Security Tinted | No |
| Total Recycled Content Percent [Nom] | 0 % |
| Trade Size | #55 |
| Weight [Nom] | 28.00 lbs. |
| Window Position | None |
