10 x 13 x 1 1/2" First Class Expandable Tyvek® Envelopes. Tyvek® envelopes provide superior puncture, tear and moisture protection. Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items....
RevType | 2 |
Manufacturer | Tyvek® |
Sku | TYE10131FC |
Identity | 36224941878 |