POSCA paint markers from Uni-Ball are almost a separate brand on their own, with such a following and reputation within the art community as the go to paint marker for any sort of creative application.
POSCA markers water-based ink can be used on almost any surface, and come in such a wide range of sizes, tip styles, and colours that you can have a fantastically varied collection. The colours are designed to be super vibrant and pop out, which makes these markers great for lots of uses including decoration, sign writing, street art and poster-art.