Uniquely formulated, water-based ink will not bleed through flip chart paper or presentation boards. Features a non-squeak, bullet tip that is designed to deliver a superior marking performance. Low-odor formula is perfect for office or classroom settings. Bright, vivid color makes a bold statement. Marker Type: Flipchart; Assortment: Black; Blue; Brown; Green; Orange; Purple; Red; Yellow; Color(s): Assorted; Tip Type: Bullet.