Introducing the JOOLA Flip Training Ball! This is the newest seamless Poly training ball from JOOLA. Plastic Polystyrene ‘Poly’ balls are the latest innovation on the table tennis scene. These seamless, plastic balls are rounder and longer-lasting compared to the original celluloid construction of table tennis balls. With a firmer bounce and now, environmentally safe, the International Table Tennis Federation (ITTF) has adopted Poly balls for official competition. Train with Two-Star JOOLA Flip balls and you’ll be ready for competitive play in no time!