or small ink pens you use for blackbook work and outlines

flexible elastomer brush nib that bends as hand pressure and angle change

Permanent marker by Sharpie

Water-based mini version of HAND MIXED's classic multi-colored industrial markers

The ink in the black and the blue refill is only document proof in ISO 27668-2

molotow chalk marker 4 8 mm neon 6 set Furious or small ink pens you6 pack with neon colored chalk pens from Molotow. The paint can be easily wiped off with a wet cloth from most non porous surfaces such as glass, mirrors, blackboards etc. The markers have a chisel 4 8 mm point. This set includes 1 neon yellow, 1 neon orange, 1 neon pink, 1 neon blue, 1 neon green and one white.