The Pilot FriXion Ball Erasable Gel Pen 0.7mm Blue features innovative thermo-sensitive gel ink that writes smoothly and erases cleanly using the built-in friction eraser, leaving no residue or damage to the paper. The medium 0.7mm tip produces crisp, vibrant blue lines, making it ideal for note-taking, editing, planning, journaling, homework, and everyday writing. With its comfortable grip and refillable design, the Pilot FriXion Ball is a practical choice for students, teachers, professionals, and anyone who values the flexibility of erasable ink.