The 30 ml tank has an unscrewable cap

One of our most popular sketchbooks

The varnish will be completely dry within a couple of hours

and you can easily mix the colours for smooth transitions

24 black Sharpie Fine Point markers + one extra blue

on the run otr 901 soultip paint refill 120 ml Colors:Royal Blue The 30 ml tank hasAlcohol based, opaque lacquer paint, that adheres to most surfaces, and dries up with a glossy finish. The paint is perfect for markers with a pump function and squeeze pens, but they work really well with normal paint brushes and airbrush as well. This paint comes in a 120 ml bottle with a screw lid. These refills come in bigger sizes too: On The Run OTR. 901 Soultip Paint 210 ml.