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Size: A1 (3-5/8-x-5-1/8) A1 Envelopes (3 5/8 in x 5 1/8 in) - Response envelopes

Exploring A1 (4bar) envelopes in Size: A1 (3-5/8-x-5-1/8)

A1 Envelope Dimensions: 3.625" x 5.125" (3 5/8 in x 5 1/8 in). Suggested enclosure dimension: 3.475" x 4.875" -This is the smallest member of our Announcement Envelopes... many times referred to as Response Envelopes, 4Bar Envelopes or Wallet Envelopes. This is the smallest announcement envelope allowed by the Postal service. (Have questions about envelope sizes, visit our envelope help page)
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  1. A1 Envelopes - Cougar Envelopes - 1000 PK
    A1 Envelopes - Cougar Envelopes - 1000 PK
    WECO-A1-CONFIG
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    As low as $157.93
  2. [Clearance] BASIS COLORS - A1 Envelopes - Pink - 250 PK
    [Clearance] BASIS COLORS - A1 Envelopes - Pink - 250 PK
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    LEBA906
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    Special Price $42.86 Regular Price $57.14
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