Use this ProSeries Compatible "First Class Mail" double window envelope to mail any tax return or report. A blue interior tint adds security while the cellophane window allows the taxpayer name and address to clearly show through.

Specifications

Style: Portrait Seal Type: Moisture Seal Size: 9 1/2" x 11 1/2" Top Window Size: 1 1/4" x 4 1/2" Top Window From Left Side: 15/16" Top Window From Bottom: 8 5/8"

Bottom Window Size: 1 1/4" x 4 1/2" Bottom Window From Left Side: 15/16" Bottom Window From Bottom: 6 13/16" Weight: 28# Flap Opening: Short