Product Description 1. Improved Putting Aiming: This golf ball liner provides precise marking lines, allowing you to clearly see your putting ensure the clubface is perpendicular to the target. Easily improves stability and accuracy on the green. 2. Versatile Double-Sided Design: This liner has grooves on both sides, allowing for various marking patterns. You can choose single-line, triple-line, or vertical line patterns to suit your personal preference and putting style. 3. Fits Standard Golf Balls: This lightweight golf ball line marker is made of high-quality plastic and fits standard 1.68-inch golf balls. 4. Premium Ink: The set includes two markers (red and blue) using waterproof, oil-based ink. These quick-drying markers draw vibrant, long-lasting lines even in wet conditions, resisting fading and providing reliable aiming assistance throughout your shot. 5. Portable and Complete Set: This compact golf ball line marker tool is easy to carry in your bag or pocket. The set includes one marker and two colored markers, offering excellent value and meeting all your needs for improved aiming accuracy Material: ABS Color: As shown in the picture Package includes: 1set Golf ball line marker (Golf balls are not included in the shipment.)