Champion Sports 4STAR Tournament Table Tennis Ball, 40mm, White 40 mm diameter official table tennis ballTournament level seamless construction for true playInternational Table Tennis Association approved for tournament playPacked six balls to a cardboard tubeColor - White Play like a champion with the Champion Sports, Table Tennis Tournament approved balls. The 4Star is an official 40mm diameter ball, rated for tournament play, features seamless construction, and is an International Table Tennis Approved ball. Sold in a pack of six balls per cardboard tube. Manufactured in China. - Sport Tennis