Please note: Letter rates are only for normal business envelopes (sizes #6 or #10), which are no larger than 6-1/8" in height and 11.5" in length. Standard manila envelopes are considered large ...
MARYVILLE, Ohio - April 6, 2018 - EnvyPak, America's No. 1 Clear Envelope Manufacturer, announces an innovative, patent pending, clear plastic envelope format that can reduce postage for marketers by ...
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