- 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.
 
- Strength Material:
 - 18 lb. Olefin
 
- Shipping Unit:
 - 100 PER CASE
 
- Width:
 - 12.00"
 
- Height:
 - 16.00"
 
- Depth:
 - 2.00"