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500 double window envelopes for quickbooks invoices
500 Double window envelopes that if are folded right will fit quickbooks invioces. This is a #10 security double window envelope.
The top window measures 3-3/4" long, 3/4" wide & 1/2" from the top. The bottom window measures, 3-3/4" long, 1-1/4" wide,
and 1/2" from the bottom. The envelope itself measures 9-1/4" long x 4-1/8" wide.