From Amazon
POSCA Water Based Permanent Marker Paint Pens with Premium Quality Travel Case for Arts and Crafts. Multi Surface Use On Wood, Metal, Paper, Cardboard, Glass, Fabric & Rock. Set of 24 Vibrant Colours
OnBuy
uni-ball Uni POSCA 186824 Marker Pens in Case, Suitable for Many Surfaces, Various Tips and Colours, Multi-Coloured