10 x 13" First Class 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, First Class...
RevType | 2 |
Manufacturer | Tyvek® |
Sku | TYF1013FC |
Identity | 37043976093 |