Molotow One4All Acrylic Refills contain the same permanent, UV-resistant, non-toxic acrylic paint as One4All Acrylic Markers. Great for refilling your favorite markers, the paint can also be applied like any fluid acrylic with a brush, sponge, or knife. Paint dries quickly to an opaque, semi-gloss finish on nearly any porous or non-porous surface and can be diluted with water or acetone.