JOOLA - A PROFESSIONAL TABLE TENNIS BRAND TRUSTED FOR 60 plus YEARS: Launched in the 1950s, JOOLA has been the proud sponsor of the biggest tournaments in the world, including the Olympics, World Championships, and US Open. Equipment designed for all levels.SUPERIOR QUALITY AND DURABILITY: Manufactured for advanced competition, these 40 plusmm three star practice ping pong balls are ideal for serving your first ace or hitting the game winner past your opponent as a professional player or in the family game room.ITTF REGULATION SIZE AND WEIGHT: Official thickness of .86mm and tournament weight of 2.7 grams and regulation width of 40 plus millimeter ensures consistent bounce, durability, more power, great spin and control. Table tennis equipment for kids and adults.UNMATCHED PERFORMANCE: These table tennis practice balls are excellent to practice serves, hit against multi-ball training, for clubs, schools, recreation centers, resorts, and ping pong robot trainers or automatic server machines.INCLUDES: 12 durable 3 Star training ping-pong balls that are lightweight and perfectly round. Recommended to be played with ping pong paddles or rackets or have your pets use the balls as a cat toy. Choose between white or orange colored ping pong balls. From the manufacturer