The Giotto Turbo Advanced Colour Pens are fine tip fibre pens with water-based, super washable inks.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.Extra-resistant, long-lasting fibre tip, meaning it retains its point.