Material: Imported Natural Rubber, Tennis production special sythetic fiber.
Bounce Height: 130-145 cm (Free falling from 2.54 m Height)
Deformation: 0.23 - 0.26 IN.
Recover: 0.315 - 0.36 IN
Diameter: 63.5-66.7 mm
Weight: 54.7 - 57.5 g
1. Made of High quality natural rubber and Synthetic Wool.
2. Low Inner Tube Air Pressure, Suitable for Children and Women/Men Learning the tennis ball playing.
3. It can also be a pet training ball for your dog.