Ideal for contrast work, this Carb'On® black deep-dyed paper features a very fine grain on one side and a smooth surface on the other. Its porosity, perfect for all inks, allows fast drying. Acid free with pH neutral. Vegan friendly. Specifications: 120 gsm Carb’On black paper, head stapled, A4+ portrait format (21x31,8 cm), 60 detachable microperforated sheets, horizontal 6 mm black lined ruling on both sides, line thickness 0.5 pt., Maya black 270 gsm scored cover, printed Rhodia logo, stiff back cover.