Ideal for classroom use the Bic Kids Visa Felt Pens feature an ultra fine tip for detailed drawing and colouring. The pens contains water based ink which is washable from most fabrics.Ultra nib resistance with a fine point of 2mm and line width 0.9mm.Water based ink is washable from most fabrics.Ink does not dry out even if left uncapped for 3 months (excluding black).Ideal for classroom use.Ventilated cap. Assorted vibrant colours.