DUAL TIPS: twin tipped highly pigmented oil-based markers has 48 vibrant colours with colour code. Use the bullet tip for colouring, shading, and blending, and the calligraphy tip for writing. Bullet and calligraphy tip are fast drying and great for projects., FIND COLORS FAST: The colour code on the lid of the marker helps you find any marker in a flash. As a bonus, the carrying case keeps your non-toxic markers organized and portable for any colouring adventure projects!