• This tennis ball saver container holder under same internal and external pressures preventing air from seeping in and out of pores to keep balls bouncing.
• Portable Size: 20cmx8.5cmx8.5cm/7.87inchx3.35inchx3.35inch, compact design holds 3 balls, very easy and convenient to carrying with you.
• Designed for maintaining good balls and prolonging service time, not for rejuvenating of dead balls.
• It ensures a fresh bouncing ball just like a new Unit to save lots money.
• High quality ABS outer shell, wear resistant , sturdy and durable in use.

1 Piece Tennis Ball Saver