SIGPRO Double Break Putting GreenProduct Description Master challenging putts with the square shaped, professional grade SIGPRO Double Break Putting Green. As one of our largest greens, this expansive model is designed to fit in larger rooms and dedicated spaces, offering a generous 11 9 long by 11' 9 wide surface area. The premium putting turf provides a true roll speed (Stimp 10), perfectly mimicking the feel of a finely manicured bentgrass course. With four separate putting cup