Ideal for thin lines and hatching: The fineliner has an ergonomic triangular shape that automatically promotes a three-point grip and ensures optimal writing comfort. This pen is ideal for drawing with rulers and templates. This fineliner is suitable for right and left-handed people. The ink of this pen is based on food colorings and the pen is extra sturdy due to the metal-framed tip. The ink is washable from most textiles. The packaging is made of recycled cardboard. Writing thickness: 0.4 mm. Quantity: 10 pieces Colors: yellow, orange, red, pink, purple, light blue, blue, green, brown and black.