Made from PU Foam, Ideal for Juniors/Beginners Practice without Hurting
ITF (international tennis federation) approved
Material: PU foam
Big, brightly colored, bouncy foam ball is an indispensable practice tool for beginners
Slow air speed makes rallying easy for beginners
Very little shock to arm
Much higher bounce than other foam balls
High-density foam
Ball size: 3.5, 3.1 and 2.7 inches
Foam Tennis Ball（CH-FB-70/80/90）, Stage 3(RED) Foam