Most commonly known as the #10 envelope. Commercial envelopes come with either a commercial flap or a square flap.
These envelopes are designed for machine insertion making them an ideal and efficient choice for direct mail, invoices, checks and statements. The Monarch is a variation of the #7 ¾ envelope but with pointed flap. The window version has single or double windows that allow addresses to show through the face of the envelope. Commercial envelopes are also often used for letterhead and personal correspondence. They open along the top edge and have diagonal seams.
Most Commonly Used For
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