The Nittaku 3-Star Premium Clean is a top-tier table tennis ball that meets rigorous international standards. Endorsed by the International Table Tennis Federation and utilized by the Japan Table Tennis Association, this 40mm ball incorporates advanced anti-virus and anti-bacterial features. It is coated with Medical Nano Coat, a cutting-edge technology that applies a single layer of nanocomposite particles smaller than 10 nanometers, ensuring a hygienic surface. This innovative coating maintains cleanliness and effectiveness, providing superior performance for competitive play.