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.
 - 100 per case.
 
Flat Tyvek® Envelopes
 
Tyvek envelopes provide superior puncture, tear and moisture protection.