<ul>
<li>Best value to send your smaller packages, with rates starting at $0.37 for a one ounce package.</li>
<li>Packages can weigh up to 13 ounces.</li>
</ul>
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<a href="http://www.usps.com/send/waystosendmail/senditwithintheus/firstclassparcels.htm" target="_blank">More Information About First-Class Packages</a>