These Survivor® envelopes expand to provide lightweight, inexpensive shipping for bulky items. Expandable envelopes are made of puncture, tear and moisture-resistant DuPont™ Tyvek® material. Envelopes made with Tyvek® are half the weight of heavy duty paper envelopes, so you save on postage with each mailing. Our tough expandable mailers resist overstuffing, bad weather and rough handling to deliver your contents intact. With easy to use Quality Park® Redi-Strip® envelope closures, just peel and press for an instant seal. USPS First Class Mail—Heavyweight 18 lb Tyvek®. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No.
Products specifications
| Attribute name | Attribute value |
|---|
| Closure | Redi-Strip® Adhesive |
| Special Features | USPS First Class Mail-Heavyweight 18 lb Tyvek® |
| Format/Border | USPS First Class Mail Format & Border |
| Preprinted Message | First Class Mail |
| Global Product Type | Envelopes/Mailers-Catalog Envelopes |
| Pre-Consumer Recycled Content Percent | 0% |
| Post-Consumer Recycled Content Percent | 0% |
| Total Recycled Content Percent | 0% |
| Color Family | White |
| Footnote 1 | DuPont™ and Tyvek® are registered trademarks of DuPont™ |
| Color(s) | White |
| Footnote 2 | Tyvek® basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek® material |
| Expansion | 1.5" |
| Seam Type | Center |
| Flap Type | Square |
| Security Tinted | No |
| Opening | Open End |
| Exterior Material(s) | DuPont™ Tyvek® |
| Exterior Dimensions | 10 x 13 |
| Trade Size | #13 1/2 |
| Basis Weight | 18 lb Tyvek |