2 Penne Acriliche Bianche, Pennarelli Acrilici Doppia Punta (Fine 1mm + Puntinata 5mm), Pennarelli Acrilici per Tessuto, Tela, Pietra, Vetro, Legno,

Switching between the 1mm fine tip and the 5mm dot tip is effortless, and both lay down consistent opaque white on dark river rocks without any skipping. I've used them on wood and glass too, and the paint stays put once dry.

The dot tip lays down paint so smoothly on river rocks that I finished a whole batch of garden markers in one sitting, and the fine tip handled the tiny lettering without any skipping. Also nice that the white stays opaque even over darker stones, so the details actually pop.

I’ve been using these on some plain wooden coasters and the 1mm fine tip held its line perfectly without bleeding. The ink dried fast and the white really pops on darker surfaces. The dot tip is great for filling in larger areas quickly without wasting paint.