These bic velleda whiteboard markers 1199005728 provide premium writing and sketching performance with your dry wipe whiteboardthe alcohol based ink glides on smoothly and erases just as easily and is low odour to ensure comfort when writing extensively it features a strong acrylic tip that wont bend or retract into the barrel even with heavy use the bullet tip delivers a fine line thats perfect for small text and detailed whiteboard work bullet nib whiteboard marker with slim barrel l