The US Postal Service reports, in their annual survey, that US households receive a personal letter once every seven weeks on average. The same report finds that greeting cards and invitations are also a rare mailbox appearance.

The lesson, it turns out, might be that the best way to cut through the communication clutter is to simply put pen to paper. Trampoline and the team at Finch have just completed a piece that can help ensure that your letters will make it where they're intended to go.

This new guide to envelopes and mailers is full of tips & best practices for designing an efficient direct mail piece. Learn to master the fold, quickly determine envelope and enclosure sizes, and streamline mailings. It includes a chart with dimensions, information requirements and a list of readily available envelopes from Finch. All in all, a handy guide to have at your fingertips. Get yours here.