Each tube holds 4 tennis balls, with a total of 20 tennis balls altogether. Therefore, listed for sale.
Vintage Dunlop Tennis Balls Sealed In Tin LTA Tournament Performance
HEAD Championship 4 ball Tennis Balls Yellow X 2. One Set Is Sealed.
TENIX® 3-Pack tennis Balls with Cord | Replacement Balls for tennis-Trainer | Includes Pressure-Sealed tennis Ball Can | Replacement Ball with Elastic Cord for tennis Trainer
Wilson US Open Extra Duty Official Tennis Balls - 6 Sealed Tubes of 4 Balls
Wilson Championship Tennis Balls 72 Balls (18 Tubes x4) Extra Duty Sealed ITF Ap
Wilson US Open Extra Duty Official Tennis Balls, 3 Sealed Tubes of 4 Balls
