The screen printing ink that Matt Lewis manufactures from his Whangarei print workshop is so eco-friendly he can eat it and not even grimace.
While the plant-based ink might taste a little funky, and you certainly won't see it added to the food pyramid any time soon, the ink has left Lewis with a sweet aftertaste.
The Te Kowhai Print Trust board member, based at his Live to Print company at the Quarry Arts Centre, has scooped a national print award for the invention.
It's not an edible ink but to prove how safe it was for people and the environment, Lewis had no qualms in scooping a handful of the colourful goop and having a wee taste.
Unlike most acrylic-based inks, the Live To Print inks contain no petrochemical or organic oils, no acrylic acids or thermoplastic resins and no mineral spirits or alcohol.