| Closure | Self-sealing |
| Color | White |
| Features | Water Resistant, Burst Resistance, Moisture Resistant, Puncture Resistant, Tear Resistance, Chemical Resistant |
| Mailer/Envelope Size | 10" Width x 13" Length x 2" Gusset |
| Mailer/Envelope Weight | 18 lb |
| Material | Tyvek |
| Print | First Class Mail |
| Product Name | Columbian Expansion Envelopes |
| Product Type | First Class Mail Envelope |