What are the size and material standards for a window envelope? Size and window location and material requirements for window envelopes.

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Standard Envelope Size Standard Window Sizes and Positions

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A complete window envelope sizing guide. Learn how to choose the right size for business mail, full-view flat kraft window envelopes, and clear window envelopes.

ORIENTATE THE FLAP Before measuring for window placement, the envelope should be oriented so the flap is at the top regardless if it’s an open side or open end envelope.

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All standard commercial envelope sizes with a window have the same window size and position. Measuring 4½″ wide and 1⅛″ deep, the window is positioned on the left-hand side ⅞″ from the left …

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There are often discrepancies on how to measure a window and also how to measure the position of the window. This confusion usually result in a delays in production (proofs having to be made two or …