Features: Made from Aluminum Alloy and Nylon, wear proof and not easily damaged. It offer long terms durability for extended use. Specifically designed to optimize your putting skills, the dynamic guide mat assists in repetitive practice and putt correction. Helps you find and stabilize the strikes point, allowing you to control strength and direction with ease. The putting alignment track mat forms a complete mental image of the putting process, from stances to follow through. Helps you memorize the entire strokes sequences, enhancing muscles memory for smoother motions. The convenient storage box designs allows easy organization and carry of all components, great for efficient practice both indoors and outdoors. Specifications: Component: Aluminum Alloy and Nylon Size: As Shown in the Picture Package Includes: 1set golfs Putter Trainer note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.