Water-based paint markers that can be used on all surfaces and have countless applications. The markers feature quick drying & water-based pigment ink. They are permanent on porous surfaces, removable on glass, and will not bleed through paper. POSCA markers are acid free, odorless, water resistant and come in a wide variety of colours and tip sizes. Write on a huge variety of surfaces including paper, metal, glass, wood and plastic and fabrics. The markers provide vibrant colours that are perfect for illustrations and hobbies.