Super-easy to use - a retractable ballpoint pen, sold as a box of 50, that's simple to operate with a slide-push button Round barrel with grooves that is easy to grip and comfortable to hold, letting you write with ease Long-lasting: write for up to twice as long compared with other normal retractable ballpoint pens Ink flows smoothly from the tungsten carbide ball at the pen's medium 1.0mm tip, so your words can flow too when making notes Ballpoint pens with black ink, perfect for writing, sketching or doodling in style