Sheaffer ion: your go-to, on-the-go pen! the pen designed to go anywhere you do. Never be caught without a pen. This pocket-sized retractable pen clips to nearly anything, so you can be quick on the draw whenever inspiration strikes! get attached to the smart little pen designed to go anywhere you do. Clip to a key ring, backpack, or wherever you like. Then quickly detach when creativity calls. It slides open for fuller length when you're ready to write. This torpedo-shaped gel pen comes with vibrant colors and is a must-have, on-the-go accessory.