Feature: 1. Marker Angle: By using a simple way to check your swing or putting alignment, the marker helps you find a better angle and achieve your goal. 2. Waterproof: Marker pen is an oil based pen that draws smoothly, is waterproof and does not fade easily, helping you make your own markers to identify your ball. 3. 10pcs: With red hat, eye catching and can prevent the ink from drying, 10pcs, meet your needs, compact and lightweight. 4. Applications: Alignment ball marker is great for drawing and coloring, allowing you to draw or marks on any surfaces with smoothness and accuracy. 5. Plastic Case: The case is made of plastic material, wear resistant and durable, not easy to damage, and can be used for a long time. Specification: Item Type: Golfing Marker Pen Material: Plastic Product Size: Approx. 9.2 x 1.8 x 1.3cm / 3.6 x 0.7 x 0.5in (0.1 to 0.2cm Error in Manual Measurement) Use: These Markers Are Ideal for Drawing and Coloring, And Can Be Drawn on a Variety of Surfaces. Package List: 10 x Golfing Marker Pen Note: 0.1 to 0.2cm Error in Manual Measurement