![80386 - Double Window Tyvek Expandable Mailing Envelope (Peel & Close) 80386 - Double Window Tyvek Expandable Mailing Envelope (Peel & Close)](https://cdn11.bigcommerce.com/s-30uw6whld0/images/stencil/500x659/products/1294/4052/80386__11658.1621281231.png?c=2)
Use this First Class envelope for any purpose. The 1'' expansion provides more room to mail larger tax returns or thicker documents. This envelope is constructed of 14# tyvek paper stock with a peel and close flap which opens on the short side. The tyvek material provides tear and water resistant protection to your confidential mailings.
Specifications:
Size: 10” x 12" x 1”
Weight: 14#
Material: Tyvek
Flap Opening: Short
Seal: Peel & Close