| 摘要 |
A mailer blank, which may be configured for subsequent printing and folding processes, includes a transparent sheet and an attached opaque layer, both of which extend between longitudinal and transverse edges. An aperture is formed within the opaque layer. In a first version, the mailer blank also includes a second opaque layer, having an aperture aligned with the aperture of the first opaque layer, similarly extending between the longitudinal and transverse edges. Both the first and second layers are paper, adhesively attached to opposite sides of the transparent layer. In a second version, the opaque layer is a ultra-violet ink coating. In a third version, a paper layer is attached to one side of the transparent sheet, with a pocket being formed between one of the paper layers and the sheet for use as a return envelope. In a fourth version, a two-ply laminated mailer provides a removable ID card formed in the transparent layer which becomes the inside of the envelope when the mailer is folded along a predetermined fold line and sealed at its edges.
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