| 2025-12-08 | Like an envelope that's ready to be sent |
| 2023-10-11 | Shut up |
| 2022-11-25 | Closed up |
| 2019-06-17 | Partner of "signed" and "delivered" in a Stevie Wonder hit |
| 2013-12-30 | Like an envelope that's ready to be mailed |
| 2011-11-23 | Shut up |
| 2007-01-21 | Like diplomatic pouches |
| 2005-11-22 | Ready for mailing, as an envelope |
| 2004-09-27 | Made airtight |
| 2003-03-18 | Part of S.W.A.K. |
| 2002-08-11 | Shut up |
| 2001-10-22 | Signed and delivered go-between |
| 2000-09-27 | S.W.A.K. part |
| 1998-07-30 | Like most mail |
| 1998-03-01 | Tamper-resistant |
| 1994-01-14 | Zipped |
| 1994-01-12 | Used wax, perhaps |