TRIA MARKERS - Manufactured in the UK, the Tria System is based around Tria Markers, Tria Inks and offer a large range of 300 colours. The Markers were re-designed a few years ago to offer the easier refill cartridges.
The Ink refills are still available in 50 of the colours. Wallets, holders and various nibs are also sold. The range is complemented by a range of Marker Pads offering various paper weights, types and sizes.



