Copic Sketch Markers are professional-quality, alcohol-based markers designed for artists, illustrators, and designers. Each marker features two nib options: the Super Brush and the Medium Broad. The Super Brush is highly regarded for its smooth, comfortable feel, delivering an excellent balance of flexibility and control. Copic Sketch offers the widest color selection in the series, with a total of 358 colors. Its oval-shaped barrel provides a comfortable grip, and each cap is labeled with both the color number and name for easy identification. When the ink runs low, markers can be easily refilled with Copic Ink, available in all 358 colors. Copic Ink can also be used to refill Copic Ciao and Copic Classic markers. Best for: Most artists and professionals. Nibs: Super Brush Medium Broad. Shape: Oval body (comfortable grip prevents rolling). Colors: 358 colors in total Features: Refillable ink and replaceable nibs; excellent for blending and gradients. Content: Alcohol-based dye ink. Ink amount/refill: Around 1.8ml, each Copic Ink refills Copic Sketch up to 7 times. Main Unit Specifications: Size: 11x16x150 mm