Expansion

Expansion Tyvek Envelopes

Expansion Tyvek Envelopes are built to handle bulky mailings with extra room for large documents, binders, and thick materials. Made from tough DuPont™ Tyvek®, these envelopes are lightweight, tear-resistant, and moisture-resistant, delivering maximum protection while keeping postage costs low.

Features & Benefits of Expansion Tyvek Envelopes:

• Expandable Design – Expands to fit bulky or multi-page documents with ease.
• Durable Protection – Tear- and puncture-resistant to withstand rough handling.
• Lightweight Construction – Saves on shipping costs compared to traditional mailers.
• Moisture Resistant – Keeps contents safe from spills, rain, and humidity.
• Professional Look – Crisp white Tyvek® finish for clean, polished presentation.