This BIC pen refill is a must-have for anyone who loves to write and needs a reliable and versatile pen. With the ability to write in four different colors, this refill is perfect for those who need to color-code their notes or just want to switch things up. Made in the United States, this refill is of high quality and is sure to last. Add this refill to your collection today and enjoy the convenience and flexibility it provides. It is a perfect fit for ballpoint and rollerball pens and will ship within 24 hours of purchase. Don't miss out on this opportunity to upgrade your writing experience!