Premium Material: These Ping Pong Balls are made from quality PP material, ensuring durability and longevity. Fine Workmanship: The balls undergo a grinding process that results in a seamless surface, providing a certain degree of hardness and elasticity. Product Size: Each Table Tennis Ball measures 40mm4cm1.57inch in diameter, the standard size for ping pong balls. Package Details: Each pack contains 150 pieces of colored ping pong balls. Suitable for kids playing and Shaking swing balls game. Versatile Use: 40mm Table Tennis Balls are ideal for various applications such as lottery draws, games, water testing, decoration, and amusement park ball spraying machines.Specification: Material: PPSize Chart:4cm1.57inchPackage Includes:150 Table Tennis BallsNote:Please allow slightly errors due to manual measurement and different monitors.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold byDadangjia