The POSCA Brush PCF-350 has a brush tip for getting into corners and gaps, for creating solid colours and fluid strokes in the same way as a traditional brush. POSCA paint marker pens are water-based opaque pigment ink markers that can be used on surfaces such as canvas, wood, metal, plastic, card, paper and glass. - POSCA PCF-350 Paint Pens produce a line width of 1 - 10mm making them ideal for painting projects - Water-based opaque pigment ink - Waterproof - No bleed through papers - Can be used on various surfaces including canvas, wood, glass, metal, plastic and paper - Rounded bullet nib - perfect for drawing POSCA can be made permanent on surfaces using a range of treatments: - Glass – by baking in the oven at 160°C for 45 minutes then spraying with clear [read more].