Fast‑Drying Smooth Writing: 0.5mm needle‑tip pen with 3‑second quick‑dry ink prevents smudges, ideal for Back to School exams and homework. High‑Capacity Ink Design: Large‑volume ink equals 5 standard refills, supports long‑hour note‑taking and heavy‑use writing tasks. Waterproof & Non leeding: Premium pigment ink resists water and ink bleeding, keeps handwriting clear and neat on paper. Ergonomic Portable Build: Comfortable grip eases hand fatigue; pen clip design for easy carrying in notebooks or backpacks. Stable Continuous Ink Flow: Direct‑liquid structure delivers steady ink output without skips, perfect for student daily study use. Shop the Under 1$ Dollar Straight Liquid Ballpoint Pen Sign Pen, 0.5mm High Capacity Black Ink Water Pen, Fast Drying Exam Writing Pens at ProBlack in our School Supplies collection.