after it’s been hit with UV light — sunlight or even indoor light — it slowly starts to change

Then you definitely need the On The Run 7784 Street Polisher 25mm single marker with its huge capacity

and squeezing it pushes a small amount of fresh water through to flush the bristles between colors

In this 6-piece set you get a basic color scale

Squeeze pressure controls your flow - press hard for heavy drips

molotow blackliner pens set 1 4 set Rhyme after it’s been hit withThe Molotow's Blackliner pens are filled with black permanent pigment ink and are perfect for drawing outlines and details. The ink is waterproof and is classified as "archival ink" with high lightfastness. Like most of Molotow's products, these are also made in Germany. This set includes pencils in the sizes: 0. 05, 0. 1, 0. 2 and 0. 4. See all markers and products from Molotow here.