This pack of Faber-Castell Connector Pens are perfect for colouring, drawing and creating art. These pens clip together so they can be easily kept in one place, and you can even make unique shapes out of them. The pens contain water-based ink that can be washed out of most fabrics. These connector pens have a fibre nib. The pens clip together so they can be kept in one place. The inks come in a wide range of colours from fluoros to dark shades. The water-based inks can be washed out of most fabrics. There are 30 pens in this pack.