EXPANDABLE LOOP: Innovatively designed pen holders have adjustable spring loops that will fit most pens, pencils and markers. Each set comes with 3 pieces of adhesive pen holder clips.DURABLE: Made from sturdy iron with a tough nickel plating. Comes with strong adhesive backing that will stay in place. Small, lightweight and makes a great accessory for the home or office.HOME & OFFICE: Securely attach your adhesive pen clip holders to whiteboards, refrigerators, monitors, erase boards, bulletin boards, lockers, filing cabinets and other dry surfaces. Great for keeping your pens handy and accessible.PRACTICAL: Attach these adhesive pen holders to clipboards and binders so you never lose your pens or pencils again. Perfect for doctors, nurses, teachers and more. A great accessory to have with shopping lists, grocery lists, photos, memos and notes.