The pens are water-based and doesn't bleed through the paper (applies to most types of paper of 80 grams or more)

This set is for professional artists

Both nibs is flat-cut calligraphy nibs which makes this pen kind of unique at the market

Prismacolor Premier Colored Pencil Colorless Blender

ballograf rondo soft mechanical pencil 0 7 mm Ballograf Rondo:Red The pens are water-based andThe Ballograf Rondo Soft Mechanical Pencil 0. 7 mm combines timeless design with a smooth, comfortable writing experience. With its rounded body and ergonomic shape, it sits perfectly in your hand, making it ideal for everyday use. The spring click mechanism protects the lead from breaking and ensures a soft, pleasant writing flow. Available in multiple colors, it pairs beautifully with the Rondo ballpoint pen for a coordinated set. Designed to last a