The best ink pad for use with any water based media (markers, paint) is Finesse Water-Proof by Spectrum Noir. We've bundled together these 4 must-have colors at a special price to expand your creativity!
Black - the best and most popular
Rustic Brown - great for a vintage look
Flagstone - a softer cool grey outline to make your colors really pop
Pebble - a softer warm grey outline for a subtle outline