Professional Golf Putter Training Mat 2x9ft Synthetic Grass Surface with Alignment Markers for Practice , high quality<br> Name: Golf track paper<br> Function: can the trajectory of the putter, Help you practice putting stability<br> Use tutorial: as shown<br> 1. You can start practicing after fixing 4 corners with 4 balls Tee<br> 2. The template can feedback the running trajectory of the club head and whether the face is<br> 3.The face is too open or too buckled will be reflected in the angular deviation between the actual face and the parallel trajectory<br> 4.The face is not square, which directly leads to the deviation between the ball's running course and the hole cup.<br> 5. There are three pairs of holes in the middle to set the goal. There are deviation ranges of 0.5 / 0.75 / 1 degree. The putter can pass the ball through the middle of the ball T.<br> 6. Inserting T on the trajectory line can set a more accurate trajectory, limiting the putting surface between the trajectories<br> size: 78 x 21.5cm<br> Material:PVC<br> colour:As shown<br> Package Contents:<br> 1 x golf track paper<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.