Sold as 1 Dozen. Retractable rollerball pens are ready to write with just a click. One dozen pens per pack. Unique liquid ink system provides even flow and smooth marking. Red ink for bright and clear writing. Comfort grip for superior control. Carries the Good Housekeeping Seal of Approval. Extra-fine 0.5mm tip ensures crisp lines with every use. Features a pocket clip for convenient carrying. Red barrel. Refillable ink allows pens to be reused instead of replaced to save money.