The Tennis Ball Saver is the original way to keep your tennis balls fresh and bouncy. The bane of tennis ball companies for over thirty years, the Tennis Ball Saver can keep three tennis balls bouncing like they were brand new. Tennis Ball Savers keep the balls at the correct pressure and will protect tennis balls from natural leakage that occurs. As long as the felt on the tennis ball stays in good condition, tennis balls will keep on bouncing true! Buy the Tennis Ball Saver - this simple investment will make all your future tennis balls remain bouncy in the future.