Say goodbye to missing or accidentally-taken pens! The School Smart Rubberized Barrel security ink pen is your economical solution to high-traffic areas or public environments where a writing utensil is frequently needed. Medium nib tip (at 1 millimeter size) has black ink that is tamperproof, waterproof, and fadeproof for smooth, non-skipping write. Regulated ink flow helps to avoid scratching and bobbing. Pen comes with black mini adhesive pad (to connect your pen quickly to desktop or other surface) and an attached ball-link chain (with 24 inch length).