First Class Flat Tyvek Envelopes

The ultimate in tear, puncture and moisture protection.

  • Ten times stronger than regular paper envelopes
  • Constructed from tough, tear resistant 14lb olefin

 
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2 Products Found
9x12 First Class Flat Tyvek Envelopes (End Opening)PSML1636   $50.84
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10x13 First Class Flat Tyvek Envelopes (End Opening)PSML1638   $55.76
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2 Products Found