Make sure your important memos, labels & notes get noticed. A wide palette of vivid colors helps ensure that what you write boldly stands out, no matter the hue of your chosen medium. Low-odor, non-toxic, water- & fade-resistant ink lays down smoothly & cleanly on nearly any material. With the tip type & ink color clearly indicated along each barrel's length, you'll never second guess which marker you've chosen. Unique Squircle barrel shape – not quite square, not quite round – helps you get a comfortable grip while minimizing the marker's ability to roll. Pen Style. Marker Ink Type: Permanent; Marker Tip Type: Needle; Marker Tip Size (text): Extra-Fine; Marker Color(s): Black.