Ultra-Thin Thickness Putting Mirror with Instant Feedback: This putting training aid is made of high-quality advanced acrylic material, which is not easy to bend and deform, detects your action position and adjusts the practice of your shoulders through mirror feedback. Super Durable and Scratch Resistant: This golf putting mirror can effectively resist scratches caused by sharp objects and is almost impossible to be broken, so it is easy to use and prolongs the life of the golf putting mirror. Putting Alignment Lines: Green alignment lines help you monitor your putter movement and shot, not only to better self-correct your putting posture, but also to practice golf putting habits based on its putting line while promoting proper swing Rod rhythm, so as to form the correct putting memory. Portable Golf Putting Trainer: Measures 30.5 x 5.7 cm, can easily fit into any golf bag and take it with you, suitable for using golf putting mirror indoors or on the putting green of a golf course. Good for your health Ideal Golf Gift: It is a wise choice to give this golf putting mirror which is easy to carry and store as a gift to your family or friends, beginners, professionals or golfers.