500 Double Window Envelope | Item #CE20
Regular Gummed Double Window Envelope.
Top Window: 1-1/16" x 3-3/8", Position: Left 3/4", Bottom 2-1/8".
Bottom Window: 3/4" x 3-7/8", Position: Left 1/2", Bottom 1/2".
Overall Size 3-7/8" x 8-7/8"