Texta Nylorite Colouring Pens are perfect for drawing and colouring in art class. The bright pens contain a long lasting water-based ink and smooth fibre tips for easy use. Each marker has a smooth fibre tip which allows you to draw and colour precise detailed lines. You can use the pens on a variety of paper types to draw and colour. The ink is water based and long lasting. Each marker has a ventilated cap for your safety. The formula is non-toxic for your peace of mind. This pack contains 12 colouring markers in different colours.