Create, draw, color, and more! The doodler’z Dual Brush Pen features a double ended design with a flexible brush tip for thick and thin strokes and a bullet tip for writing and underlining. A water-based ink allows for watercolor effects when using them with a paint brush or water brush pen. AP certification makes them safe for students. • Double Ended Design – Brush and Bullet Tip • Flexible Brush Tip for Lettering and Drawing • Bullet Tip for Everyday Writing, Underlines, and Coloring • Blend with Water for Watercolor Techniques