Gamma First Set Jr. Net (18 Foot, Black/Yellow) Portable, lightweight (22 lbs.), and quick and easy to set up. Comes with a zippered nylon carrying case and can be used indoors or out, on a tennis court or across a driveway. At 18 feet long by 33 inches high, it is the perfect size for teaching children. Conforms to the USTA QuickStart Tennis format standard for a Jr. net on a 36' court.