Edding 750 Paint Marker is filled with a paint-like ink that is quick drying, water resistant and very permanent. The nibb is round with a 2-4mm tip. Edding 750 Paint Marker can be applied to almost any material such as glass, metal and wood, but also dark or transparent surfaces, which makes it very suitable for rough or industrial use. All colors in the Edding 750 Paint Marker are heat-resistant up to 400° C and some colors can handle up to 1000° C.