…and then there are times when a standard envelope is not available or just won’t work with the designed piece. Here are the various parts of an envelope…
| Flap Styles | |
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| Commercial |  |
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| Mail Point |  |
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| Pointed |  |
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| Square |  |
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| Wallet |  |
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| Seam Styles | |
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| Diagonal Seams |  |
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| Side Seams |  |
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| Center Seam |  |
