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These Tyvek&#174; envelopes provide superior puncture, tear and moisture protection. Features:<ul style="margin-top:0px;padding-top: 5px: padding-bottom: 5px;"><li>Colorful envelopes make your mailing stand out</li><li>Constructed from 14 olefin</li><li>Ten times stronger than paper envelopes</li><li>Features self-seal closure</li></ul>

Tyvek&#174; Self Seal Colored Envelopes, 9&quot;W x 12&quot;L, Yellow, 100/Pack

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