The Giotto Turbo Colour Fine Pens are fibre pens with safe washable ink and a ventilated blocked cap for safety.Intense and bright assorted colours.Fine fibre tip (diameter: 2.8 mm).Water-based colours Washes off skin with soap and warm water and fabrics on a 40° washing machine programme.Ventilated choke proof cap safety cap.Extra strong tight fitting nib.