Envelopes and Mailers

A mailing device as claimed in claim 2, wherein the at least one line of weakness defines a lifting tab portion in the main body.

A mailing device as claimed in claim 3, wherein at least one line of weakness completely encircles the film and generally follows the outer peripheral edge of the film over the majority of its length to define an area within which the film is located, the tab portion being defined by means of a small section of the line of weakness which extends outwardly from its general path to partially encircle a portion of the first material radially outside said area.

A mailing device comprising a main body formed of a first material in which a window aperture is provided, and a film of a second, transparent material attached to the main body to cover the window aperture, in which the film comprises a main section covering the window aperture and having a peripheral edge region which is bonded to the main body about the aperture, the film also having a lifting tab projecting beyond the outer peripheral edge of the main section.

A mailing device comprising a main body formed of a first material wherein a window aperture is provided, and a film of a second, transparent material attached to the main body to cover the window aperture, wherein the film is attached to an outer surface of the main body using a peelable adhesive.

A mailing device as claimed in any one of the preceding claims, wherein the film is made of a material which is suitable for use with a laser printer.

A mailing device as claimed in any one of the preceding claims, wherein the mailing device is an envelope.

A mailing device substantially as hereinbefore described with reference to an as illustrated in FIG. 1, or FIG. 2, or FIG. 3, or FIG. 4 of the accompanying drawings.