Posca Pens PC-3M Medium Acrylic Felt Tip Coloured Permanent Paint Markers for Adults and Kids. Perfect for Colouring, Fabric, Graffiti, Watercolour, Outline Drawing, Window and Glass Art. Set of 40PERFECT PAINT FLOW MITSUBISHI PENCIL has developed a unique valve mechanism that guarantees a perfect seal for the marker and conserves the paint over time. The same mechanism is used to prime the POSCA for use and to re saturate the tip as often as necessary during creation. Comes with 40 colours: Blue, Bronze, brown, dark red, gold, green, Red, Red wine, sparkling blue, sparkling green, sparkling light Blue, sparkling red, sparkling violet, white,