9 1/2 x 12 1/2" White Flat Tyvek(R) Envelopes. Tyvek(R) 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...
RevType | 2 |
Manufacturer | Tyvek(R) |
Sku | TYF091212WH |
Identity | 37043792959 |