A wrapping material (10) for formed bales of material. The wrapping material including at least one layer of a flexible plastic material film web (13 ) having a substantially uniform width and divided lengthwise into portions of substantially equal length by a plurality of spaced lines of perforations extending fully transversely across the w id th of the wrapping material and fully through the layer or layers forming the wrapping material. Each said line of perforations (16) having a first adhesive substrate (22) adhered to a first surface of said wrapping material adjacent to but spaced from the line of perforations. The first adhesive substrate extending substantially across the width of said wrapping material and having, in use, an outwardly facing adhesive surface, and a second adhesive substrate extending substantially across the width of said wrapping material and being adhesively secured to said first surface of the w rapping material whereby the second adhesive substrate overlies said line of perforations.
