12 Packs Pressure Matching and Training Tennis Balls

1. Made of natural rubber for consistent feel and reduced shock. 2. The height is about 130cm / 4.3 ft, these balls will have the same consistent for the life of the ball. 3. Totally blank for autographing. The diameter is about 63 mm / 2.4 in. 4. Ideal for tennis ball matching and tennis practice.