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.

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.
• Sold in case quantities.