Features: Durable Material: The ball liner marking tool marker pens are made of quality ABS material, odorless and non-toxic, safe for your use and can serve for a long for times. Portable Design: Convenient to use with round shape designs, easy to picks-up the ball and draw straight and neat lines on golf ball, help to fix the golf ball. Easy to Align: Just mark on face of this golf ball marking tools, useful alignment your putter face perpendicular to the target lines and identity your golf balls. About Dimensions: These golf ball marker pen alignment tool size is about 64x47mm/2.51x1.85inch, and very easy to carry in your golf bag with its proper sizes. Package Includes: You will get 1piece of golf ball alignment tool and 1piece of golf ball marker pens. Easy to draw lines to check your alignment for swing or putting. Specifications: Material: ABS Color: As The Picture Shows Package Weight: approx.30g Size: approx.64x47mm/2.51x1.85in (More Size Detail, Please See Photo.) Package Includes: 1Pc Golf Ball Line Marker 1Pc Golf Ball Marker Pen note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!