The present invention is a tennis ball that includes an outer fabric cover that has a phosphorescent component. La présente invention est une boule de tennis qui inclut une housse en toile externe qui a un composant phosphorescent.
The present invention is a tennis ball that includes an outer fabric cover that has a phosphorescent component.
La présente invention est une boule de tennis qui inclut une housse en toile externe qui a un composant phosphorescent.
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