Accelerated Golf the inventor of the Accelerator Putting Mat, offers you the only AMERICAN MADE golf mat whose mat provides the performance of putting on a real bent grass green. Don't settle for any foreign made mats whose putting surfaces are fuzzy and slow. Accelerator 3 features the only continuous gravity ball return of its kind. The special ball track is designed to adjust to the specific putt distance you are practicing. With the simple addition of each ball track, you are able to ensure that the ball returns directly to you whether at 3', 5' or 7'. DON'T SETTLE FOR AN IMPORTED MAT BUY AMERICAN MADE!