Retractable marker for easy one-handed operation-just click and write. Safety Sealï¿½ valve prevents leakage and dry out, and there is no cap to remove or lose. Durable ultra fine point tip produces precise marking and writes on most hard-to-mark surfaces. Quick-drying ink is waterproof, smearproof and fade-resistant. Marker Type: Permanent; Assortment: N/A; Color(s): Blue; Tip Type: Ultra Fine.