If you’re always searching for a pen, now you can keep one near with this handy Pen Loop. It’s self adhesive, so you can stick it to the back cover of any notebook, calendar, planner or address book. The loop is elastic. Adhesive is permanent. The adhesive portion measures 1 ½ x 1 ½ inches; the actual loop is approximately 5/8 inch wide x ¾ inch high. Constructed of hard plastic.