- Professional design: These pool table play balls are made with a professionally even roundness, ensuring smooth movement on the pool table surface and allowing precise strokes that define sweepstakes. - Tool to improve your skills: Our pool balls are an excellent tool for refining your skills and learning billiard art, providing a practical aid whether practicing or in competitions. - Material: Made of resin, these balls provide unique impact force, wear resistance, and a smooth surface for optimal performance during your game. - Standard size: With a standard diameter of 52.5 mm / 2.1 inches, this pool ball meets professional specifications for training and competitive games and ensures smooth rolling with every game. - Use scenarios: Ideal for home practice to develop consistent cue ball control and aiming routines; suitable for club or league training to prepare for tournaments; useful for pre-match warm-ups to dial in speed, spin, and position play.