The POSCA extra fine water-based color marker is a vibrant, versatile marker that writes on almost any surface. The pigment ink is lightfast and waterproof, and it is also permanent and fade-resistant on paper and cardboard. It can be fixed on various surfaces through different treatments: glass - bake in the oven at 160°C for 45 minutes and then spray with clear varnish; textiles - by ironing on the reverse side; metal, plastic, and wood - by spraying with clear varnish; terracotta - bake for 45 minutes at 220°C, then spray with clear varnish; porcelain - by firing at 160°C for 45 minutes, then spray with clear varnish. The versatility of Posca has made it internationally recognized in the art scene for producing poster-like, vibrant colors. PC-1M 0.7 mm round tip.