Custom Self Seal Envelopes

Custom Self Seal Envelopes

Eliminate the Mess. Accelerate Your Mailing.

Streamline your office workflow with Custom Self Seal Envelopes from Granite Woods Printing. Designed for speed and efficiency, our envelopes feature advanced Peel & Seal and Flip-to-Seal adhesive technologies that require absolutely no moisture, sponges, or tape.

Whether you are sending monthly invoices, checks, or direct mail marketing, self-seal envelopes reduce handling time by up to 50% compared to traditional gummed envelopes. Customize yours today with your company logo, return address, and brand colors to ensure every piece of mail looks professional and stays secure.

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Why Businesses are Switching to Self-Seal Envelopes

High-volume mailing requires efficiency. While traditional gummed envelopes are standard, Self-Seal Business Envelopes (also known as "Peel and Seal" or "Strip Seal") have become the preferred choice for modern offices. Here is why:

  • Hygiene & Safety: Eliminate the need to lick envelopes or use unsanitary sponges.
  • Extended Shelf Life: Our pressure-sensitive adhesive strips are protected by a release liner, preventing the glue from drying out in storage—perfect for buying in bulk.
  • Enhanced Security: The instant-bond adhesive makes tampering immediately obvious, providing an extra layer of protection for sensitive documents like checks and medical records.

Choose Your Perfect Envelope: Specs & Options

To get the best result for your business, look for these specific attributes when ordering:

  • The Size: The #10 Envelope (4-1/8" x 9-1/2") is the industry standard for invoices and letterhead. For larger documents, choose our 9x12 Catalog Envelopes or 6x9 Booklet Envelopes.
  • The Paper: Most business orders use 24lb White Wove stock, which offers a crisp, clean look. For a premium feel, upgrade to 28lb stock.
  • The Window: Choose Single Window (for recipient address only) or Double Window (perfect for QuickBooks checks and invoices) to save time on addressing. Explore window envelopes.
  • The Privacy: Sending financial data? Ensure you select envelopes with Internal Security Tint (a blue or grey pattern inside) to make the contents opaque and unreadable through the paper. Explore security envelopes.

Frequently Asked Questions

What is the difference between Peel & Seal vs. Flip & Seal?
Peel & Seal (or Strip Seal) features a removable paper strip that covers the adhesive; you simply peel it off and press to close. Flip & Seal features two flaps with latex adhesive that bond when folded together, requiring no removable strip. Both options offer a permanent, secure bond without the need for moisture.
How long do self-seal envelopes last in storage?
Our high-quality self-seal envelopes typically have a shelf life of 12 to 24 months when stored in a cool, dry place. The release strip protects the adhesive from air and dust, keeping it effective much longer than standard gummed envelopes that can seal shut in humid conditions.
Can I print my logo on self-seal envelopes?
Yes. Granite Woods Printing offers full-color custom printing on self-seal envelopes. Because the adhesive is protected by a strip, these envelopes can be run through offset and select digital presses without the heat activating the glue prematurely, ensuring a crisp, professional finish.
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