Zebra's Sarasa Clip pens are one of the top rated gel pens available. You can feel the quality as soon as you try it: the sturdy body designed to withstand heavy use, secure binder clip to attach to notebooks, comfy rubber grip that provides just the right amount of cushion, and retractability for quick convenient access. The marble colors just add a bit of fun to an already perfect pen. Enjoy daily tasks, like updating your calendar, making your to-do lists, and jotting down notes with these delightful pens. Every Sarasa pen features water-based gel ink that is acid free, archival quality, water resistant, long-lasting, and non-smearing.