Organize your ideas, draw and write in vibrant, waterproof color with uni-ball Gel Pens. Featuring both ultra micro and medium tips plus thick, vivid ink in classic and metallic colors, theyre the perfect colored pens for planners, bullet journals and adult coloring pages. The classic gel pens have a precise 0.38mm ultra micro tip for unparalleled detail while the metallic pens have a 0.8mm medium tip that lays down bold, bright, shimmering lines. uni-ball coloring pens also feature uni Super Ink which protects against water, fading and fraud. Designed for performance, uni-ball pens keep the focus on your message with a rush of color.