Custom Security Envelopes
Protect What Matters Most.
When you’re mailing confidential documents, privacy isn’t optional. Our custom security envelopes give you the peace of mind that your contents stay protected from print to delivery.
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Designed to prevent visibility and tampering
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Professional custom printing for a polished look
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Free human-reviewed proof before production
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If we make a mistake, we’ll make it right.
Choose the option that better fits your needs, get a free proof, and invest in security envelopes today.
When you’re mailing confidential documents, privacy isn’t just a feature; it’s a responsibility. Whether you’re handling financial data, legal paperwork, medical records, or internal communications, the envelope you choose plays a critical role in protecting what’s inside. Our custom security envelopes are built for organizations that can’t afford uncertainty.
In addition to security, our custom envelopes ensure your mail looks professional. With custom design such as your logo, brand colors, and return address, we make sure your security envelopes represent your organization with professionalism.
Who These Security Envelopes Are Perfect For
Legal Offices & Law Firms
When mailing contracts or confidential client info, discretion is critical. Ensure sensitive materials remain private from sender to recipient.
Driver: Confidentiality + Responsibility
Financial & Accounting
From billing to tax docs, protect private financial data with opaque security patterns and dependable seals for total peace of mind.
Driver: Data Protection + Trust
Healthcare & Medical
Patient info requires careful handling. Reinforce your commitment to confidentiality and professionalism with high-security stock.
Driver: Compliance + Ethics
HR & Corporate Offices
Maintain internal trust. Paychecks and personnel documents deserve discretion while presenting a polished company image.
Driver: Internal Trust + Professionalism
Checks & Sensitive Notices
Stop tampering concerns. These envelopes add a layer of protection while keeping your brand presentation clean and consistent.
Driver: Loss Prevention + Credibility
Built-In Protection You Can Rely On
Security Tint
Prevents visibility of contents through the envelope material. Peace of mind that confidential information stays private.
Strong, Reliable Seals
Designed to stay securely closed during transit. Reduced risk of accidental openings or tampering.
Durable Envelope Stock
Built to withstand heavy handling and rigorous mailing conditions. Confidence that your documents arrive intact.
Custom Professional Printing
Your branding remains sharp, consistent, and professional across every piece of mail. Reinforces credibility before the envelope is even opened.
Free Human-Reviewed Proof
A real team member reviews your artwork before production begins and works together to make it right. Eliminates uncertainty before your order goes to print.
Our Secure Print Promise:
When you’re ordering security envelopes, confidence matters. That’s why every order is backed by our commitment to accuracy, quality, and accountability. If we ever make a mistake with your printing, we’ll make it right—quickly and without hassle. We guarantee you'll get exactly what you're looking for. No finger-pointing and no runaround; just a team that stands behind its work, because protecting your documents starts with choosing a printer you can trust.
Frequently Asked Questions
1. Are security envelopes really private? Can anyone see through them?
Our security envelopes are designed with opaque stock and a patterned interior tint that helps prevent visibility of the contents inside. This added layer of protection reduces the risk of sensitive information being exposed during handling or transit.
Confidential documents stay confidential.2. Can security envelopes be tampered with?
Our envelopes are built with strong seals and durable construction to help ensure they stay securely closed during mailing. While no envelope can prevent all interference, these are specifically designed to discourage tampering and protect important contents.
Secure from seal to delivery.3. What if there’s a mistake in my artwork?
Before printing, a real team member reviews your file and provides a free PDF proof for approval. You’ll see exactly how your design will appear before production begins. And if we ever make a printing mistake, we’ll make it right — quickly and without hassle.
You're never left dealing with an error alone.4. Will my envelopes look professional?
Yes. Custom printing ensures your branding appears clean, sharp, and consistent. Security features are built into the envelope interior, so your external presentation remains polished and professional.
Protection without sacrificing appearance.5. Are these suitable for financial or legal documents?
Security envelopes are commonly used for financial statements, contracts, healthcare communications, payroll documents, and other sensitive materials. Their purpose is to add an extra layer of privacy and discretion for mail that matters.
Designed for responsibility-heavy mailings.6. How quickly can I receive my order?
Our standard print production time is 4-8 business days, and the standard free shipping estimated time is 2-4 business days. If you're on a tight schedule and need them faster, we also have rush options available. We offer reliable turnaround times so you can plan your mailings confidently.
No guessing, no surprises.7. Is there a minimum order requirement?
We offer reasonable minimums so businesses of different sizes can order what they need without overcommitting.
Flexibility for 100 or 10,000 pieces.8. What if I’m unsure which option is right?
Just reach out. Our team can help you choose the right size, features, and specifications based on what you’re mailing.
You don’t have to figure it out alone.