From the course: Print Production: Direct Mail
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Tabs and glue
- Self-mailing materials that mail without the protection of an envelope must have closed edges to prevent jams and slow-downs in the automated mail processing machinery, and to prevent dog-earing or tearing en route to the recipient, and also to avoid unnecessary air entrapment and bulk in the mailpiece. The most common USPS-approved sealing techniques involve tabbing and gluing. Tabs, also called wafer seals, are small adhesive discs that are applied along the open edges of a mailpiece. Tabs are most commonly used for mailing purposes, but they can also be decorative. The USPS states that tabs used for mailing purposes may be made of opaque paper, translucent paper, vinyl or plastic, and they must not contain perforations. There was a time when they could be perforated, but that's no longer the case. Cellophane tape can also be used as a closure, but check with your printer or mail house for the requirements. Tabs cannot be more than an inch from the edge of the panel, and cannot…
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