BIC coloring felt tip pens are perfect for use at school. They don't dry out, even if left uncapped for a while. The fine tips are designed for crisp clean lines and intricate coloured details. The water-based ink washes right out of most fabrics. / BIC Kids Visa felt tip pens don't dry out, even if left uncapped for 3 months (not including black ink). The fine tips are designed for crisp clean lines and intricate coloured details. The water-based ink washes right out of most fabrics.