Self-Seal Flat Tyvek® Envelopes
Tyvek® envelopes provide superior puncture, tear and moisture protection.
- Constructed from 14 lb. olefin.
- Ten times stronger than paper envelopes.
- Feature self-seal closure.
- Available in plain and First Class printed borders.
Stock Number | Outside W x L | Description | Opening | Quantity Per Case | 1 | 3 | 5 | 10+ | Add to Cart |
|---|---|---|---|---|---|---|---|---|---|
| TYF0609WH | 6 x 9" | White | End | 100 | $49.46 | $48.47 | $47.81 | $46.16 | |
| TYF0710WH | 7 1/2 x 10 1/2" | White | End | 100 | 58.08 | 56.92 | 56.14 | 54.21 | |
| TYF0912WH | 9 x 12" | White | End | 100 | 62.82 | 61.56 | 60.73 | 58.63 | |
| TYF0912WS | 9 x 12" | White | Side | 100 | 73.97 | 72.49 | 71.50 | 69.03 | |
| TYF0912FC | 9 x 12" | First Class | End | 100 | 65.49 | 64.18 | 63.31 | 61.12 | |
| TYF091212WH | 9 1/2 x 12 1/2" | White | End | 100 | 69.50 | 68.11 | 67.18 | 64.86 | |
| TYF1013WH | 10 x 13" | White | End | 100 | 64.64 | 63.34 | 62.48 | 60.33 | |
| TYF1013WS | 10 x 13" | White | Side | 100 | 86.51 | 84.77 | 83.62 | 80.74 | |
| TYF1013FC | 10 x 13" | First Class | End | 100 | 72.17 | 70.72 | 69.76 | 67.35 | |
| TYF1015WH | 10 x 15" | White | End | 100 | 84.20 | 82.51 | 81.39 | 78.58 | |
| TYF1215WH | 12 x 15 1/2" | White | End | 100 | 91.50 | 89.67 | 88.45 | 85.40 | |
| TYF1319WH | 13 x 19" | White | End | 100 | 188.13 | 184.37 | 181.86 | 175.59 | |
| TYF1520WS | 15 x 20" | White | End | 100 | 293.82 | 287.94 | 284.03 | 274.23 |
Copyright © 2026 Blue Box Corrugated, Inc.. All rights reserved.
We use cookies to provide essential site functionality for the shopping cart, login, and security. We also use third-party cookies for analytics and advertising, which require your consent. You can accept all cookies, customize your preferences, or reject non-essential cookies. See our privacy policy for more details.