Specificationscarbonless NCR rolls: 1/. 2-ply &3-ply carbonless paper roll 2/. Customized printing is available 3/. Clear image Carbonless NCR Rolls:1)Material,carbonless paper;CB,45g;CFB,50g;CF,47gBlue image,wonderful in image effect.2)Paper and plastic roll core3)( Width x Roll diameter)57mmx50mm 2-ply and 3-ply57mmx57mm 2-ply and 3-ply76mmx76mm 2-ply and 3-plyAny other sizes are available.Excellent printing effect can be usedCustomized logos are acceptedOEM packing.