Plastic, metal or other material, incorporated into the paperSee Banknote paper. More sheetA piece of paper or substrate of 800 mm by 700 mm, on which banknotes are printed. The “sheet to sheet” printing technique is the most widely used in printing of banknotes, but the roller printing technique also exists. More during its manufacturing process, fully or intermittently. A window threadSee Security thread. More appears on the paper’s surface at defined points, and is partially visible, however, in transmitted light appears across the entire length of the note. The thread may be able to contain any of the following: visible or machine-readable codes, microprinted or mini-printed text in positive or negative, or display of fluorescent, iridescent, holographic or metallic gloss effects. A variant is the strapA narrow strip of paper or plastic band that is kept around a banknote package of one hundred notes. A strap often has a label containing the denomination and total value of the package, as well as the date and signatures of those responsible for the counting. Sometimes coloured straps are used to differentiate denominations. More thread, which is not quite an intermittent thread, but a continuous band with metal segments applied by heat onto the paper surface.