The Gewo SLP 40+ Ping Pong balls come in a package of 72 pieces and are designed to provide reliable performance during training and learning. With a 2-Star quality, these balls are ideal for players looking to improve their skills, as they offer a good balance of weight and durability. The 2-Star rating indicates that they are suitable for training sessions, providing a good gaming experience without being as demanding as the 3-Star balls used in official competitions.