Putting Cup - Three golf putting cups in different sizes to ensure accuracy on the greens. Small, Medium and standard hole sizes allow you to practice your accuracy Slopes and ring height ensure proper weight of your putts. Hit it too hard and it will roll through, too light and it may not go in. Slope is different on each side of the cups to stimulate different types of putts. Toss them on the putting green anywhere to practice whatever putt you want. Comes with three sizes - 4 1/4 inches (standard golf hole), 3 1/2 inches and 2 3/4 inches