These twin color pens feature cute colors and offer both fine and broad writing options. This set includes 24 colors. The slim body fits easily into a pen case. Ideal for illustrations, notes, planners, letters, and more. Pen body size: 10 x 152mm Water-based dye ink. Set Contents: Black, Red, Light Carmine, Carmine Red, Pink, Light Pink, Blue, Cobalt Blue, Persian Blue, Persian Green, Green, Light Green, Turquoise Green, Yellow, Lemon Yellow, Bright Yellow, Brown, Dark Brown, Orange, Flesh Color, Violet, Light Violet, Light Gray, Dark Gray