The Viavito Club Adept are 2-star table tennis balls designed for regular training. They are made for improvers and recreational players and can be used in a robot or for multi-ball practice. The balls are made with ABS (acrylonitrile butadiene styrene) cell free formula for improved roundness, optimal hardness and added durability. They have a diameter of 40mm and ensure a good bounce and consistency of the trajectory. The Club Adept balls are supplied in a pack of 6.