Product DescriptionA great practice aid for your putting stroke. 9' x 3' Kidney shaped green gives you 3 cups to aim at. High quality putting surface designed to stay smooth.Amazon.comHone your putting skills with this fun 3-by-9-foot putting green. The kidney-shaped green's three cups give you plenty of practice targets, while the built-in sand traps are designed to catch missed shots. The green also offers a high-quality putting surface designed to stay smooth over time.