001 holder allows you to effortlessly extend your crayon

Perfect for both porous and non-porous materials

6 bookmarks

and the entire pen is made from 81% recycled plastic

The water flow is controlled by gently squeezing the barrel

on the run otr 972 inkredible ink refill 120 ml OTR.972 Inkredible Ink Colors:Black 001 holder allows you toExtremely permanent alcohol based ink with high UV resistance. Previously you could only get this in pre filled pens (On The Run OTR. 072 Inkredible Ink Marker 20 mm) but now it is also available in bottles. The ink is available in black or red and comes in a 120ml bottle with a pouring spout in the cap so you can easily refill your pens. See all products from On The Run here.