These Flexi-Tip Brush Pens , like Japanese fude-style pens, make for easy and satisfying lettering, coloring, and so much more! Flexible fine-point fiber tips offer the expressiveness of a brush combined with the control and precision of a pen. Create fine lines, bold strokes, and elegant lettering. Color both fine details and broad areas. Ideal for hand-lettering and brush calligraphy. Inks are water-resistant and fade-resistant once dry. Set of 10 vibrant colors! Sturdy plastic storage case safeguards and organizes your brush pen set. Case measures 5'' wide x 7'' high x 3/8'' deep.