Bic kids visa colouring pens are fine tipped felt pens that give budding artists more accuracy over their work the resistant tip on the colouring pens will not dry out even if left uncapped for 3 months except black ink the water based ink is washable from most clothes bic kids visa colouring pens are available in a number of pack sizes of 12 18 20 36 84 144 and 288 and a variety of bright colours the fine 2 mm tips write with a line width of 0 9 mm