Golf Ball Marker Simple to use: easily pick up the golf ball and draw straight lines around it. The marker holds golf balls in place, and the template is designed with grooves for precise markings. Improves practice and alignment: the drawn lines help you check the alignment of your swing or putt, supporting consistent setup and aim. Durable ABS construction: made from ABS material that is safe, odorless, environmentally friendly, and durable for long term use. Portable and versatile training aid: light and compact for easy transport, helps you locate golf balls quickly, and enables drawing alignment lines to support practice of swing or putt. gift for golf enthusiasts: a practical, thoughtful tool for friends and family who love golf. Use scenarios: Practice range or at home: mark balls, draw lines, and compare alignment across sessions. On the green: create putt guides and verify alignment before each stroke. Group or coaching sessions: share the tool to align and review swing lines with teammates.