Excellent ABS materials: golf ball markers are durable for long-term use, safe, odorless, and environmentally friendly, made of high-quality ABS material. Easy to use: the golf ball line marker helps keep golf balls in place. The stencil is designed with grooves so the ball can be easily picked up and straight lines drawn around the golf ball. Perfect as a gift: allows you to enjoy golf to the fullest. The golf ball marker is an excellent gift for friends and family and a great tool for golf enthusiasts. Innovative ball marking design: helps keep the striking surface of the putter perpendicular to the finish line and identify your ball. The golf ball line marking tool is designed for the alignment of the golf line. Both the front and back can be marked. Improve impact accuracy: with the golf ball alignment tool, you can easily draw lines and check the alignment of your swing or putt. It is portable and practical and can help you find golf balls easily.