- Accurate Alignment: The Professional Golf Ball Liner Markers Pen provides clear and precise alignment marks, ensuring improved batting accuracy for every shot you take. - Portable Convenience: Designed with a hang hook, this pen easily attaches to keychains or neck ropes. Its compact size makes it a convenient accessory to carry during your golf outings. - Quick-Drying and Waterproof: The oily ink dries rapidly on golf balls, ensuring that your alignment marks stay intact even in wet conditions. The ink is both waterproof and resistant to fading, maintaining visibility round after round. - Durable Construction: Made from high-quality plastic, this marker pen is built to endure the demands of the golf course, offering long-lasting durability and resistance to wear and tear. Use Scenarios: 1. Perfect for practice sessions, this marker helps you develop consistent swing mechanics by allowing you to visualize alignment and aim. 2. Ideal for competitive play, easily mark your golf balls for quick identification on the course, ensuring you never confuse your ball with someone else's. 3. Use it to quickly mark your ball's position on the green and enhance your putting accuracy, ensuring your game stays sharp in every round. Elevate your golf game with this essential tool designed for precision and practicality.