The Butterfly Training Ball 40+ is a high-quality table tennis ball, comparable to a three-star ball. The ball can be used for training, such as multi-ball, with a similar feel to competitions due to its high roundness, steadiness and durability. Our Butterfly Training Ball 40+ High-Quality ping-pong training ball is used by the leading clubs in the UK. Reliable and consistent trajectory with spin and bounce, suitable for preparation for competition to World Level games.