9 1/2 x 12 1/2" White Flat Tyvek Envelopes. Tyvek envelopes provide superior puncture, tear and moisture protection. Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature self-seal closure. Available in plain, First Class...

Out of stock
  • RevType
  • 2
  • Manufacturer
  • Tyvek®
  • Sku
  • TYF091212WH
  • Identity
  • 37043792959

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