- Enhance Batting Accuracy: The golf ball liner marker pen provides precise alignment marks on the ball, helping you improve your aiming and overall batting performance. - Portable Design: Featuring a convenient hang hook, this marker pen easily attaches to keychains or neck ropes, ensuring you can take it with you wherever you go. - Quick-Drying and Waterproof: Utilizing fast-drying oily ink, your markings stay intact even in wet conditions. The waterproof feature ensures long-lasting visibility and durability, making it ideal for varied weather. - Durable and Wear-Resistant: Constructed from high-quality plastic, this marker pen is designed to withstand regular use on the golf course, guaranteeing reliability and a long lifespan. Use Scenarios: 1. Practice Sessions: Use the marker pen during practice to establish consistent ball alignment, boosting your confidence and performance. 2. Golf Tournaments: Mark your balls clearly for easy identification during competitive play, ensuring you stay focused on your game. 3. Casual Rounds with Friends: Share the marker with fellow golfers to enhance everyone's accuracy and create a more engaging playing experience. Optimize your golf game with this essential accessory that combines functionality and convenience, perfect for players of all skill levels.