DescriptionThese tennis balls are made of premium elastic seams for reducing cracking. You could use our tennis balls at any courts field for playing. It was made of premium rubber and chemical fiber, durable and practical. They offer you incredible use experience.Feature- Color: Assorted color.- Material: Rubber, chemical fiber.- Size: 6.3×6.3×6.3cm.- These tennis balls are made of premium elastic seams for reducing cracking.- You could use our tennis balls at any courts field for playing.- It was made of premium rubber and chemical fiber, durable and practical.- Our tennis balls won’t lose pressure over time. Providing lasting and consistent performance.- You also can add it into tennis ball training machine for beginners.6 x Tennis Ball