This pen was designed by Bobino to be as thin as possible so that it would be perfect for on the go. The 1/8 inch thick pen comes with a docking tab that can be affixed to the inside cover of a notebook or planner, which allows the pen to be removed and reattached with ease. 

Features: 

• Slim Pen stays inside your notebook
• Only 1/8 inch thick, your notebook cover closes with ease
• Easily remove or reattach to docking tab affixed inside the front or back or your notebook
• Slide down to release pen
• Ballpoint pen with black ink