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
Feature self-seal closure
Description
9 x 12 x 2" White 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. Feature self-seal closure. 100 per case.