The Pilot® Refill for FriXion Erasable Gel Ink Pen in red color is a pack of 12 refills made of plastic. These refills are designed specifically for the Pilot FriXion Erasable Gel Ink Pen, providing smooth and consistent ink flow for writing and drawing tasks. The red ink color adds a vibrant touch to the user's written work, making it a popular choice among artists and students who prefer a bold and eye-catching color. Ideal for collectibles and pen enthusiasts, these refills offer convenience and reliability for everyday use.