Posca Paint Marker Pen Set of 12 - PC-1M - CraftyArts.co.uk
Uni POSCA Paint Marker Pen 0.9-1.3mm Fine Bullet Tip PC-3M - Black | Buddly Crafts
London Graphic Centre - Posca Pens. Versatile and colourful. Adaptable to your abilities and specialism. Various nib sizes depending on your needs. https://www.londongraphics.co.uk/top-brands/posca | Facebook
Posca | Etsy UK
12 Acrylic Paint Pens 1.5mm | Rock, Glass, Wood, Fabric & More | Zieler
Posca Pens UK | Everything You Need To Know | Big Red Illustration