Tretorn Academy Tennis Ball Junior (choose from Academy 1, 2 or 3)

Description Tretorn 1 20% Lighter and 25% Slower than standard pressurized balls for juniors.  Best suited for Green Level junior players Tretorn Academy 1 is a mid compression ball designed with a special rubber core Tretorn 2 Light and soft younger Childs ball – easier to manage and they also put much less pressure on the younger arm. Tretorn 3 50% Less bounce and Oversized for Children age 4-6 years – slower, lower bounce helps new players hit the ball and improve .