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Double Window Envelopes: Get More from Your Envelope
Versatile and popular, double window envelopes are a staple for billing, statement and tax envelope mailings. A double window envelope, as implied by the name, has two windows—frequently one for the return address and one for the mailing address on the face of the envelope.
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Vertically Grooved Embossed Envelopes
Updated December 2025 Textured envelopes are known for capturing attention. Tactile elements get noticed right away – the texture can be felt as soon as the recipient removes the envelopes…
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What is a Flat?
Understanding the terminology and common names associated with certain mailpieces can give insight into which one is suitable for the goals of your campaign.
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How to Have a Successful Gift Lift™ Campaign
Tension’s Gift Lift™ gift matching program helps nonprofits facilitate gift matching opportunities from their donors’ employers in a way that is seamless, simple and effective.
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Double Your Fundraising Efforts with Gift Lift™
Tension’s Gift Lift™ gift matching program helps nonprofits facilitate gift matching opportunities from their donors’ employers in a way that is seamless, simple and effective.
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Uncompromised Check Solutions from Tension
Learn about the security of our uncompromised check solutions.
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What is a #9 Envelope?
If you have ever received a bill in the mail, chances are you have held a #9 envelope in your hands. The #9 envelope is usually sent within another envelope (often a…
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Direct Mail Basics: Testing Your Mailpiece
Learn more about the importance of testing your direct mail campaign.
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Tension Packaging & Automation Announces the Purchase of Colorado Automation & Design
Tension announces the purchase of CAD.
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