Perfect for watercoloring

The ink is water resistant

these refills are available in every colour of the range

Also it comes with one ruler

so they handle pressure without breaking

grog xtra flow paint refill 100ml Colors:Goldrake Purple Perfect for watercoloringGrog Xtra Flow Paint Refill, 100ml is the stuff that keeps your markers flowing smooth and steady. Packed in a tough plastic bottle, its made to refill all your Grog Green Label markers. With 100 ml of glossy, opaque, alcohol based paint, it glides like butterno streaks, no drama. Perfect for the Cutter markers, and ready for indoor or outdoor sessions, its the refill that keeps your colors bold and your lines sharp.