DecoColor® Acrylic Paint Marker Primary Color Set with chisel tips. DecoColor® Acrylic Paint markers work great on wood, plaster, foam, walls, paper, and terra cotta. These are perfect for school projects, outdoor crafts like flower pots and benches, and other arts and crafts. This marker has a 3-way tip allowing for variety in the way it draws. Paint is acid-free, non-toxic, and permanent when dry. This 4-pack of markers includes one each of black, green, red and blue.