The Watercolor Brush Pens release a good quality water soluble ink which is bright and vibrant. When the pigment is activated with water, the ink can be pulled out quite far, creating an beautiful gradient as I have shown below.
GenCrafts Watercolor Brush Pens Set of 20 Premium
20 Watercolor Brush Pens Set – BodyKunModels
How to Paint Awesome Fish using Watercolor Brush Pens! Hippie
Watercolor Brush Pens Set Super Easy To Use And Fill Water - Temu
GenCrafts Watercolor Brush Pens Set of 20 Premium
Assorted Tips – Durable nylon tips hold their shape and deliver fine, medium and bold strokes. Precise Water Flow – Innovative rubber push-button grip provides maximum comfort and water flow control. Portable – Easily portable and self-moistening for use with all water-based media.
Arteza Water Brush Pens (Assorted Tips Set of 6)
Travel Watercolor Brushes for Artists + Pouch- Set of 6
Watercolor Brush Pens Set - Super Easy to Use and
When inspiration strikes, the Spec101 Watercolor Pen Set is perfect for on-the-go watercolor painting. 20 vibrant water color brush pens provide a
Spec101 Watercolor Pens Brush Set - 20 Watercolor Brush Markers and Blend Pen
Watercolor Brush Pens Set - Super Easy to Use and Fill
Watercolor Brush Pen 20 Set — The Art Gear Guide
Watercolor Paint Brush Pen Set With Refillable Water Coloring Pen