Ballport 325 TEACHING CARTHigh capacity tennis teaching cart holds 325 balls. Perfect for serious tennis practice. Heavy duty and sturdy construction, built to last a long time and withstand a lot of abuse on the Court Comes with bottom tray to keep Cones, markers, and other teaching aids nearby Thick, sturdy, smooth rolling wheels come with foot activated breaking mechanism to keep the cart steady Cushioned handle makes it comfortable to use Tourna Ball ports are used by