First Class Expandable Tyvek Envelopes

The ultimate in tear, puncture and moisture protection.

  • Ten times stronger than regular paper envelopes
  • Constructed from tough, tear resistant 18lb olefin
  • Expandable to hold more than flat envelopes

 
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2 Products Found
10x13x1-1/2 First Class Expandable Tyvek Envelopes (End Opening)PSML1626   $109.18
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12x16x2 First Class Expandable Tyvek Envelopes (End Opening)PSML1631   $154.13
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2 Products Found