With the BIC Intensity Dual Tip Markers in the 12-pack, you won't know which end to start with. These dual-ended felt-tip pens combine a soft brush tip with a fine point. A dizzyingly versatile tool, you can adjust the brush tip of these BIC Intensity Dual Tip markers in width for coloring large areas or modern calligraphy projects. With this modular and durable tip, you can achieve any style effect. Flip these adult coloring pens around and try out the finer tip, which writes medium lines of 0.7 mm thickness. They are perfect for more detailed coloring projects, as they are designed for high-precision work. Although the tips are different, they use the same water-based ink, whose intense, vibrant colors make all your creations look beautiful. You get 12 great colors that meet all your needs. Make important notes stand out and embellish your notebook or bullet journal with artistic labels, drawings, or doodles. Anything that’s fun is allowed, regardless of age. This is just another testament to how BIC's experience and expertise inspire your creativity.