Packing 50 counts, the color is yellow?Orange? Ball Weight (g) 2.60-2.80 Ball Diameter (mm) 39.5-40.5 Long-Lasting the impact of not less than 1000 times, no cracks; Applicable Suitable for multi-ball training, schools,Table Tennis Arena?beginners...

Are you serious about table tennis and do not want to play with ping-pong balls which are manufactured just for fun, rather want to start training like a professional? Do you realise that you would need more than a few balls for rigorous/intensive...