New official ball for soft types: No. J ball (for school students)
5 dozen (60 bulbs)
Weight: 4.9 ± 0.06 oz (129 ± 1.
Diameter: 2.7 ± 0.02 inches (69 ± 0
Material: Natural rubber
Color: White
Made in Japan.
Official Ball of the National Soft Baseball Federation
Manufacturer Part Number: J-NEW
It is slightly larger and harder than the current soft ball, and it bounces low, so you can play it with a similar feeling of firmness.
Approximate size/weight 0 x 0 x 0 0 0 g