Industrial Brown Portrait C3 Master Envelopes

Protect oversized documents from damage during handling and transport with heavy-duty envelopes engineered for demanding professional and industrial applications.

Our Industrial Brown Portrait C3 Master Envelopes feature reinforced, tear-resistant kraft stock designed to provide a durable protective barrier for large documents and technical files throughout the mailing process. The C3 format accommodates full A3 documents, including engineering blueprints, technical drawings, and larger document sets.

The robust construction helps reduce the risk of envelope and document damage during handling and delivery, minimizing the need for replacements or repeat shipments while maintaining a professional and organized presentation for critical business assets.