Made of durable nylon and carbon fiber, tough, lightweight, and corrosion resistant
Features a carabiner clip on one end that securely anchors to a key ring, zipper pull, or nearly any loop or D-ring, so you can always know where the pen is when you need it
Release the pen from the clip with a couple of quick twists
Fully replaceable pressurized cartridge contains waterproof blue ink that writes smoothly and consistently in extreme temperatures, upside down, at any altitude, even underwater
The cap at the opposite end opens to reveal a touch-screen stylus