90 gsm \ 50 sheetsWithstands repeated ink erasing (with a special eraser) without damaging the surface.Supports high inking densities.For manual technical drawing, drawings with tubular tips, pencils or pens...

200GSM 20 Pages..

Multiple Sizes: 8 sizes: 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm and one brush head (1mm). The acid-free archival ink is smear-resistant, waterproof, fade-resistant, and is super smooth in most areas. Pens for writing, drawing and sketching. It does not bleed through the paper and can achieve excellent line quality. Suitable for all..