Pinty 2.8″ Baseball Practice Training Balls, 16oz Weighted Baseballs/Softballs, PVC Shell, Iron Sand Filling

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STURDY& RELIABLE – The ball is composed of a soft but durable plastic PVC shell which is filled with iron sand, ensuring ultra-hardness and durability, catering to your frequent daily practice
DESIGNED WEIGHT – Scientifically designed weight provides instant REAL-TIME feedback, so that you can adjust and correct your swing accordingly to increase your hitting power and accuracy
FIX MISTAKES – Can’t drive the ball? Decelerating at the point of impact? Not following through? All these mistakes are revealed instantly with the sand filling training ball and can be solved efficiently with hard work
NO RISKS – As the practice ball is heavier than a normal baseball, it travels at a limited speed within a limited distance, allowing you and your team to focus on the practice without worrying about hurting anyone. The extra weight helps strengthen your muscles
BRIGHT COLOR – The bright red color improves your ability to see the path of the ball through the air so that you can adjust your swing accordingly