1.self copy carbonless paper 2,good base thermal paper 3.high humidity,first-class quality 4. Ideal for business ... printing self copy carbonless paper Description 1) Instant and clear copy image, which presents excellent ... grades include:45, 50, 55, 60, 80 GSM white or tinted CB, 50, 55, 60, 80 GSM white or tinted CF, Self Carboned Paper Roll