Nittaku 3-Star Premium 40+ balls are a new non-celluloid plastic ball. It is ITTF approved and legal for all ITTF sanctioned tournaments. This ball is the highest quality poly ball, with outstanding durability, roundness, and consistency. It is made with special poly material available only to Nittaku. The label on the ball says "Nittaku Premium 40+" and "Made in Japan".