Giotto Decor Materials fibre pens are suitable for use on all types of surfaces. They have extra covering power, are super-imposable and are permanent on porous surfaces like stone, wood and rubber. On smooth surfaces like glass and mirrors, the ink can be easily washed off with a damp cloth. Water-based colours. Supplied in a pack of 48 containing yellow, orange, pink, red, brown, light green, green, sky blue, ultramarine blue, violet, black and white. Perfect Coverage Overlapping Colours Made in Italy 4pcs for each of the following colours: Yellow, Orange, Pink, Red, Brown, Green, Cinnabar Green, Sky Blue, Ultramarine Blue, Violet, Black, White.