Small elements on an envelope can have a big impact. In the ninth episode of "Engaging Envelopes," a series sponsored by Tension Corporation, direct mail consultant Paul Bobnak highlights tactics that get the attention of your customers.

Small elements on an envelope can have a big impact. In the ninth episode of "Engaging Envelopes," a series sponsored by Tension Corporation, direct mail consultant Paul Bobnak highlights tactics that get the attention of your customers.