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Ship your letters
or packages in an average of 2-3 days with Priority Mail® Flat
Rate Envelopes and Boxes. For one low rate, ship as much as can
be properly secured in a flat rate envelope or box to any U.S.
destination.
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Envelopes |
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The Priority Mail Flat Rate Envelope is $4.05
for any U.S. destination.
• The dimensions of the envelope are 12 1/2" X
9 1/2".
• The contents of the flat rate envelope must
be confined within the envelope, using the flap
adhesive as the primary means of closure.
• The flap must close easily, adhere to the envelope
and be secured with tape if desired.
• The design and shape of the envelope may not
be altered or enlarged in any way to fit the contents. |
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Boxes |
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• The
Priority Mail Flat Rate Box is $8.10 for any U.S. destination.
• The inside dimensions for the two boxes available are
11" x 8.5" x 5.5" and 13.625" x 11.875" x 3.375".
• The contents of the flat rate box must be neatly contained
inside of the box with adhesive packaging tape.
• The box must close securely and retain its shape when
taped with adhesive.
• The shape of the box may not be changed or enlarged
to fit its contents. |
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