1) Training table tennis ball; 2) Weight:2.67-2.77g; 3) Hardness:<0.85mm; 4) Diameter:39.5-40.5mm table tennis ball

1) Training table tennis ball; table tennis ball

2) Weight:2.67-2.77g;

3) Hardness:<0.85mm;

4) Diameter :39.5-40.5mm

Pingpong Table Tennis Ball