Nawaro (which means of sustainable resources non-toxic fibre pens : washable 12 colors pens with a 2 mm tip. Can be used on numerous surfaces, for example paper, wood, cardboard, materials, etc.  In case of oversight and a little bit dry points, 2 drops of lemon or vinegar will save you ! Colors are soluble in the water, washable and not toxic. Tip 2 mm high resistance. Without solvent. Oko Test label. Made in Germany. Children aged 3 and over.
 
Composition of the ink : daqueous emulsion of diethylenglycole, glycerine, liquid vaseline and colour pigments.