White Paper

Tips to get started on a direct mail campaign for beginners.

Learn how to decode your Intelligent Mail barcode.

Learn how to determine the correct size of your envelope.

Direct mail is a proven winner. Learn when, how and why to use either an envelope or postcard in your campaign.

Learn how to select, measure and order your envelopes with confidence with our Envelope Basics guide.

Discover how to accurately measure and provide measurements for your #10 envelope.

Captivate your audience with science in your envelope design.

The difference between an effective mailpiece and one that lands in the trash may come down to two things: Art and Science.

Tension Corporation provides direct mail managers, writers, designers and creative directors with tools for creating successful outer envelopes (OEs).