Unfortunately, when you work with brush pens, you can’t just use any type of paper. I mean, you can, but then you risk of damaging the tips, and the ink won’t last as long. I wrote a whole separate article on this topic, but here I’ll share a quick answer. The best paper for felt tip brush pens is – bleed proof marker paper. A popular and more affordable alternative is the HP Premium 32. Here are a few quality paper choices for you brush pens (links to Amazon) –
Canson Marker Pad
Rhodia Pads
HP Premium 32
Definitely avoid cheap (and rough) print paper, especially if the ink bleeds through or feathers.