Sanford Ink Company 69020 Vision Elite Roller Ball Stick Waterproof Pen, Blue/Black Ink, Super Fine

The patented airplane-safe technology prevents leakage on flights- Features uni-Super Ink™ that helps to prevent against check and document fraud- Fade-proof, acid-free waterproof ink provides permanence for important documents- Transparent barrel window shows when you're running low on ink- Special Ink Type: Water-Proof; Pen Style: Stick; Ink Color(s): Blue Black; Pen Type: Roller Ball- SKU: AZERTY21546