Description: 1. The putting mirror 's special features: designed to identify the putts you strike squarely and start rolling on-line, putting mirror features a guide line to help aim your putt on the exact chosen line for your putt. 2. Putting training aid tool created to check your alignment, eye position and shoulder alignment. 3. Learn how much putts break simply by adjusting the aim of the putting mirror higher or lower until well struck putts go in Improve green reading skills 4. The putting mirror has two marbles at its front edge, which tell you whether or not you've just made a "pure strike" and started a putt on line. 5. Great training aid for golf putting, improve posture alignment. Improve greening and protect the environment. Made 6. Suitable for golf beginners or advanced golfers. Specifications: Type:Practice mirror Color:Black Theme:Sports Sport Type:Golf Material:High-tech composite material Size:13x6.5x22cm Package included: 1pc*Golf putting tool(not include the golf ball) lightweight high quality durable portable easy to carry