| 摘要 |
A package is disclosed having integral means to seal an opening in a packaged product, such as a capless writing instrument, in order to protect material within the packaged product, such as ink, from excessive exposure to air while stored in the package. The package may be of any type used to contain articles of merchandise, including, without limitation, a blister package, a clamshell package, a closed tube, or a box. A plug portion attached to or molded into the interior of the package is sized and positioned so that it fits sealingly in an opening of a product contained within said package in order to prevent or minimize passage of air through said opening. Also disclosed is a package insert for holding an article of merchandise securely within a package while sealing an opening in the merchandise.
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