I am sharing a few examples in which I use a Water Brush for my water coloring to create floral illustrations and hand letter quotes
Watercolor brush pens: learning painting techniques correctly
Becon Stationery
Guerrilla Painter® WaterBrushes™ - Judsons Art Outfitters
Pentel Vistage Water Brush - Medium - Slim
Blending Markers 5 ways + Blender Pen vs Water Brush - Smiling Colors
Keep Smiling CS013 Water Brush Pen 03 Pieces Set
Packaging: Tin Box36 bright and vibrant water color palette with a brush in a tin box.Made of fine grain pigment, highly transparent and solid
Keep smiling water color 36 colors Metal Tin Set With Brush
How to Clean Watercolor Brushes the Easy Way - Watercolor Affair
Keep Smiling 90 colors Solid Pigment Watercolor Paints 50 Basic Colors
* Easy to squeezel,control the ink or water flow with just a squeeze of the tube(Note: Please make the water less than 2/3 of the pen's volume when
Keep Smiling Set of 3 Water Brush Pen Marker Ink Water Colors Colour Watercolor Brush