Security is the #1 priority.

We work hard to protect clients' information and are committed to providing products with the highest level of security. If you are in the banking, insurance, finance, accounting, tax, or investment category, we offer secure envelopes that deliver maximum protection for confidential documents.

When you choose a DuPont Tyvek® envelope, you have a product that will keep your information safe. Additionally, these envelopes can be printed full coverage to continue your brand equity. DuPont Tyvek® envelope products offer benefits beyond the standard envelope.

    • Secure Seal
    • Tear and Puncture Resistant
    • Water and Moisture Resistant
    • Lightweight for Postage Savings
    • Full-Color Branding Opportunity

We stock and custom make flat envelopes as small as a 2-1/4" x 3-1/2" DuPont Tyvek® credit cards and up to a 12" x 16" x 5" expansion envelopes. Use these to protect chips and strips, to mail confidential papers such as financials and insurance forms, or store tax documents.

To have a catalog or sample kit shipped the same day, please fill out our Sample & Catalog Request Form or send your name, address, phone number, and email address to or call 800-626-5308.