POSCA paint markers are an excellent multi-surface, creative pen. The pens contain water-based pigment ink which is lightfast, water resistant and will write on almost any surface. Colours included in this New Posca Pastel Set are: White, Light Pink, Sky Blue, Coral Pink, Aqua Green, Sunshine Yellow, Lavender and Apricot. Medium 2.5mm tip version of Uni's Posca Pen. Each Posca pen contains non-toxic water based paint. Posca markers can be used on metal, wood, glass, plastic, plaster, canvas, fabric and much much more! Posca markers are non permanent and removable from non-porous, sealed surfaces like glass, plastic, acrylic, car bodywork, non-porous chalkboards with soapy water but for even better removal use a chalkboard cleaner. The opaque, water-based acrylic paint is non-toxic and acid-free, odourless, light-fast, Xylene-free, lead-free and waterproof when dry