Paint markers, perfect for labelling and marking on metal, glass, plastic and wood even if the surface is dark or transparent.Extremely opaque ink that is waterproof and heat resistant up to 400°.Paint marker for drawing, writing and marking on smooth and dark surfaces such as glass, plastic, metal; opaque ink for long-lasting results.The lacquer-like ink dries quickly; lightfast and heat-resistant up to 400 °C, visible up to 1000 °C - ideal for hot metal; toluene and xylene free.