80015PS - Offset Window First Class Mail Envelope (Peel & Close)
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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.
Size: 10” x 12" x 1”
Flap Opening: Short
Seal: Peel & Close